diff --git a/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/examples/amazon-lambda-example/java/src/test/java/org/acme/lambda/LambdaHandlerTest.java b/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/examples/amazon-lambda-example/java/src/test/java/org/acme/lambda/LambdaHandlerTest.java
index 95252e2a2e9b2..ec935b9b5975f 100644
--- a/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/examples/amazon-lambda-example/java/src/test/java/org/acme/lambda/LambdaHandlerTest.java
+++ b/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/examples/amazon-lambda-example/java/src/test/java/org/acme/lambda/LambdaHandlerTest.java
@@ -8,10 +8,9 @@
 import static org.hamcrest.CoreMatchers.containsString;
 
 @QuarkusTest
-public class LambdaHandlerTest {
-
+class LambdaHandlerTest {
     @Test
-    public void testSimpleLambdaSuccess() throws Exception {
+    void testSimpleLambdaSuccess() throws Exception {
         // you test your lambdas by invoking on http://localhost:8081
         // this works in dev mode too
 
diff --git a/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/examples/funqy-amazon-lambda-example/java/src/native-test/java/org/acme/funqy/FunqyIT.java b/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/examples/funqy-amazon-lambda-example/java/src/native-test/java/org/acme/funqy/FunqyIT.java
index 54da79f8c643b..dc381eb9d88b2 100644
--- a/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/examples/funqy-amazon-lambda-example/java/src/native-test/java/org/acme/funqy/FunqyIT.java
+++ b/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/examples/funqy-amazon-lambda-example/java/src/native-test/java/org/acme/funqy/FunqyIT.java
@@ -3,7 +3,7 @@
 import io.quarkus.test.junit.QuarkusIntegrationTest;
 
 @QuarkusIntegrationTest
-public class FunqyIT extends FunqyTest {
+class FunqyIT extends FunqyTest {
 
     // Run the same tests
 
diff --git a/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/examples/funqy-amazon-lambda-example/java/src/test/java/org/acme/funqy/FunqyTest.java b/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/examples/funqy-amazon-lambda-example/java/src/test/java/org/acme/funqy/FunqyTest.java
index 24d660e94898a..878e31c2a6704 100644
--- a/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/examples/funqy-amazon-lambda-example/java/src/test/java/org/acme/funqy/FunqyTest.java
+++ b/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/examples/funqy-amazon-lambda-example/java/src/test/java/org/acme/funqy/FunqyTest.java
@@ -7,10 +7,9 @@
 import static org.hamcrest.CoreMatchers.containsString;
 
 @QuarkusTest
-public class FunqyTest {
-
+class FunqyTest {
     @Test
-    public void testFunqyLambda() throws Exception {
+    void testFunqyLambda() throws Exception {
         // you test your lambdas by invoking on http://localhost:8081
         // this works in dev mode too
 
diff --git a/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/examples/funqy-google-cloud-functions-example/java/src/test/java/org/acme/funqygooglecloudfunctions/GreetingFunctionsCloudEventsTest.java b/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/examples/funqy-google-cloud-functions-example/java/src/test/java/org/acme/funqygooglecloudfunctions/GreetingFunctionsCloudEventsTest.java
index ca4f54b69ae9a..881889a1a0952 100644
--- a/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/examples/funqy-google-cloud-functions-example/java/src/test/java/org/acme/funqygooglecloudfunctions/GreetingFunctionsCloudEventsTest.java
+++ b/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/examples/funqy-google-cloud-functions-example/java/src/test/java/org/acme/funqygooglecloudfunctions/GreetingFunctionsCloudEventsTest.java
@@ -11,7 +11,7 @@
 @WithFunction(value = FunctionType.FUNQY_CLOUD_EVENTS, functionName = "helloCloudEvent")
 class GreetingFunctionsCloudEventsTest {
     @Test
-    public void testHelloCloudEvent() {
+    void testHelloCloudEvent() {
         given()
                 .body("{\n" +
                         "        \"bucket\": \"MY_BUCKET\",\n" +
diff --git a/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/examples/funqy-google-cloud-functions-example/java/src/test/java/org/acme/funqygooglecloudfunctions/GreetingFunctionsPubSubTest.java b/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/examples/funqy-google-cloud-functions-example/java/src/test/java/org/acme/funqygooglecloudfunctions/GreetingFunctionsPubSubTest.java
index d01e8941c7cd3..02bd0fc89ccc5 100644
--- a/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/examples/funqy-google-cloud-functions-example/java/src/test/java/org/acme/funqygooglecloudfunctions/GreetingFunctionsPubSubTest.java
+++ b/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/examples/funqy-google-cloud-functions-example/java/src/test/java/org/acme/funqygooglecloudfunctions/GreetingFunctionsPubSubTest.java
@@ -11,7 +11,7 @@
 @WithFunction(value = FunctionType.FUNQY_BACKGROUND, functionName = "helloPubSubWorld")
 class GreetingFunctionsPubSubTest {
     @Test
-    public void testHelloPubSubWorld() {
+    void testHelloPubSubWorld() {
         given()
                 .body("{\"data\":{\"data\":\"world\"}}")
                 .when()
diff --git a/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/examples/funqy-google-cloud-functions-example/java/src/test/java/org/acme/funqygooglecloudfunctions/GreetingFunctionsStorageTest.java b/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/examples/funqy-google-cloud-functions-example/java/src/test/java/org/acme/funqygooglecloudfunctions/GreetingFunctionsStorageTest.java
index 7f12f32d344c7..8ef9bfc106896 100644
--- a/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/examples/funqy-google-cloud-functions-example/java/src/test/java/org/acme/funqygooglecloudfunctions/GreetingFunctionsStorageTest.java
+++ b/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/examples/funqy-google-cloud-functions-example/java/src/test/java/org/acme/funqygooglecloudfunctions/GreetingFunctionsStorageTest.java
@@ -11,7 +11,7 @@
 @WithFunction(value = FunctionType.FUNQY_BACKGROUND, functionName = "helloGCSWorld")
 class GreetingFunctionsStorageTest {
     @Test
-    public void testHelloGCSWorld() {
+    void testHelloGCSWorld() {
         given()
                 .body("{\"data\":{\"name\":\"hello.txt\"}}")
                 .when()
diff --git a/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/examples/funqy-knative-events-example/java/src/native-test/java/org/acme/funqy/cloudevent/FunqyIT.java b/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/examples/funqy-knative-events-example/java/src/native-test/java/org/acme/funqy/cloudevent/FunqyIT.java
index 963be67ece024..49cf0ae5dfad3 100644
--- a/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/examples/funqy-knative-events-example/java/src/native-test/java/org/acme/funqy/cloudevent/FunqyIT.java
+++ b/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/examples/funqy-knative-events-example/java/src/native-test/java/org/acme/funqy/cloudevent/FunqyIT.java
@@ -3,7 +3,7 @@
 import io.quarkus.test.junit.QuarkusIntegrationTest;
 
 @QuarkusIntegrationTest
-public class FunqyIT extends FunqyTest {
+class FunqyIT extends FunqyTest {
 
     // Run the same tests
 
diff --git a/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/examples/funqy-knative-events-example/java/src/test/java/org/acme/funqy/cloudevent/FunqyTest.java b/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/examples/funqy-knative-events-example/java/src/test/java/org/acme/funqy/cloudevent/FunqyTest.java
index 38b42eacc8236..0340c6450543a 100644
--- a/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/examples/funqy-knative-events-example/java/src/test/java/org/acme/funqy/cloudevent/FunqyTest.java
+++ b/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/examples/funqy-knative-events-example/java/src/test/java/org/acme/funqy/cloudevent/FunqyTest.java
@@ -12,10 +12,9 @@
 import static org.hamcrest.Matchers.notNullValue;
 
 @QuarkusTest
-public class FunqyTest {
-
+class FunqyTest {
     @Test
-    public void testCloudEvent() {
+    void testCloudEvent() {
         RestAssured.given().contentType("application/json")
                 .header("ce-specversion", "1.0")
                 .header("ce-id", UUID.randomUUID().toString())
diff --git a/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/examples/google-cloud-functions-example/java/src/test/java/org/acme/googlecloudfunctions/HelloWorldBackgroundFunctionTest.java b/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/examples/google-cloud-functions-example/java/src/test/java/org/acme/googlecloudfunctions/HelloWorldBackgroundFunctionTest.java
index b23ec79b21331..db6ed1f55963f 100644
--- a/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/examples/google-cloud-functions-example/java/src/test/java/org/acme/googlecloudfunctions/HelloWorldBackgroundFunctionTest.java
+++ b/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/examples/google-cloud-functions-example/java/src/test/java/org/acme/googlecloudfunctions/HelloWorldBackgroundFunctionTest.java
@@ -11,7 +11,7 @@
 @WithFunction(FunctionType.BACKGROUND)
 class HelloWorldBackgroundFunctionTest {
     @Test
-    public void testAccept() {
+    void testAccept() {
         given()
                 .body("{\"data\":{\"name\":\"hello.txt\"}}")
                 .when()
diff --git a/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/examples/google-cloud-functions-example/java/src/test/java/org/acme/googlecloudfunctions/HelloWorldCloudEventsFunctionTest.java b/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/examples/google-cloud-functions-example/java/src/test/java/org/acme/googlecloudfunctions/HelloWorldCloudEventsFunctionTest.java
index 69239e60e7106..4dcd0bdfb1224 100644
--- a/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/examples/google-cloud-functions-example/java/src/test/java/org/acme/googlecloudfunctions/HelloWorldCloudEventsFunctionTest.java
+++ b/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/examples/google-cloud-functions-example/java/src/test/java/org/acme/googlecloudfunctions/HelloWorldCloudEventsFunctionTest.java
@@ -11,7 +11,7 @@
 @WithFunction(FunctionType.CLOUD_EVENTS)
 class HelloWorldCloudEventsFunctionTest {
     @Test
-    public void testAccept() {
+    void testAccept() {
         given()
                 .body("{\n" +
                         "        \"bucket\": \"MY_BUCKET\",\n" +
diff --git a/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/examples/google-cloud-functions-example/java/src/test/java/org/acme/googlecloudfunctions/HelloWorldHttpFunctionTest.java b/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/examples/google-cloud-functions-example/java/src/test/java/org/acme/googlecloudfunctions/HelloWorldHttpFunctionTest.java
index bbbec9751c95b..0307a6da30ceb 100644
--- a/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/examples/google-cloud-functions-example/java/src/test/java/org/acme/googlecloudfunctions/HelloWorldHttpFunctionTest.java
+++ b/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/examples/google-cloud-functions-example/java/src/test/java/org/acme/googlecloudfunctions/HelloWorldHttpFunctionTest.java
@@ -12,7 +12,7 @@
 @WithFunction(FunctionType.HTTP)
 class HelloWorldHttpFunctionTest {
     @Test
-    public void testService() {
+    void testService() {
         when()
                 .get()
                 .then()
diff --git a/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/extension-codestarts/azure-functions-codestart/java/src/test/java/org/acme/FunctionTest.java b/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/extension-codestarts/azure-functions-codestart/java/src/test/java/org/acme/FunctionTest.java
index b699e5643d4eb..9481e8461430f 100644
--- a/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/extension-codestarts/azure-functions-codestart/java/src/test/java/org/acme/FunctionTest.java
+++ b/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/extension-codestarts/azure-functions-codestart/java/src/test/java/org/acme/FunctionTest.java
@@ -27,7 +27,7 @@
  * Unit test for Function class.
  */
 @QuarkusTest
-public class FunctionTest {
+class FunctionTest {
 
     @Inject
     Function function;
@@ -36,7 +36,7 @@ public class FunctionTest {
      * Unit test for HttpTriggerJava method.
      */
     @Test
-    public void testHttpTriggerJava() throws Exception {
+    void testHttpTriggerJava() throws Exception {
         // Setup
         @SuppressWarnings("unchecked")
         final HttpRequestMessage<Optional<String>> req = mock(HttpRequestMessage.class);
diff --git a/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/extension-codestarts/azure-functions-http-codestart/java/src/test/java/org/acme/GreetingTest.java b/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/extension-codestarts/azure-functions-http-codestart/java/src/test/java/org/acme/GreetingTest.java
index 2b549c62a38f0..a78bbfdbeeb8a 100644
--- a/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/extension-codestarts/azure-functions-http-codestart/java/src/test/java/org/acme/GreetingTest.java
+++ b/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/extension-codestarts/azure-functions-http-codestart/java/src/test/java/org/acme/GreetingTest.java
@@ -7,10 +7,9 @@
 import static org.hamcrest.CoreMatchers.is;
 
 @QuarkusTest
-public class GreetingTest {
-
+class GreetingTest {
     @Test
-    public void testHelloEndpoint() {
+    void testHelloEndpoint() {
         given()
           .when().get("/hello")
           .then()
diff --git a/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/extension-codestarts/funqy-http-codestart/java/src/test/java/org/acme/MyFunctionsTest.java b/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/extension-codestarts/funqy-http-codestart/java/src/test/java/org/acme/MyFunctionsTest.java
index d192d90bf55db..862782c740b53 100644
--- a/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/extension-codestarts/funqy-http-codestart/java/src/test/java/org/acme/MyFunctionsTest.java
+++ b/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/extension-codestarts/funqy-http-codestart/java/src/test/java/org/acme/MyFunctionsTest.java
@@ -8,10 +8,9 @@
 import static org.hamcrest.Matchers.containsString;
 
 @QuarkusTest
-public class MyFunctionsTest {
-
+class MyFunctionsTest {
     @Test
-    public void testFun() {
+    void testFun() {
         given()
             .post("/fun")
             .then()
@@ -20,7 +19,7 @@ public void testFun() {
     }
 
     @Test
-    public void testFunWithName() {
+    void testFunWithName() {
         given()
             .contentType(ContentType.JSON)
             .body("{\"name\": \"Friend\"}")
diff --git a/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/extension-codestarts/grpc-codestart/java/src/test/java/org/acme/HelloGrpcServiceTest.java b/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/extension-codestarts/grpc-codestart/java/src/test/java/org/acme/HelloGrpcServiceTest.java
index 2d8502471625e..16e9bc1ee25ad 100644
--- a/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/extension-codestarts/grpc-codestart/java/src/test/java/org/acme/HelloGrpcServiceTest.java
+++ b/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/extension-codestarts/grpc-codestart/java/src/test/java/org/acme/HelloGrpcServiceTest.java
@@ -10,13 +10,12 @@
 import org.junit.jupiter.api.Test;
 
 @QuarkusTest
-public class HelloGrpcServiceTest {
-
+class HelloGrpcServiceTest {
     @GrpcClient
     HelloGrpc helloGrpc;
 
     @Test
-    public void testHello() {
+    void testHello() {
         HelloReply reply = helloGrpc
                 .sayHello(HelloRequest.newBuilder().setName("Neo").build()).await().atMost(Duration.ofSeconds(5));
         assertEquals("Hello Neo!", reply.getMessage());
diff --git a/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/extension-codestarts/resteasy-codestart/java/src/native-test/java/org/acme/{resource.class-name}IT.tpl.qute.java b/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/extension-codestarts/resteasy-codestart/java/src/native-test/java/org/acme/{resource.class-name}IT.tpl.qute.java
index 41cdadc177952..e1dc4213b0e54 100644
--- a/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/extension-codestarts/resteasy-codestart/java/src/native-test/java/org/acme/{resource.class-name}IT.tpl.qute.java
+++ b/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/extension-codestarts/resteasy-codestart/java/src/native-test/java/org/acme/{resource.class-name}IT.tpl.qute.java
@@ -3,6 +3,6 @@
 import io.quarkus.test.junit.QuarkusIntegrationTest;
 
 @QuarkusIntegrationTest
-public class {resource.class-name}IT extends {resource.class-name}Test {
+class {resource.class-name}IT extends {resource.class-name}Test {
     // Execute the same tests but in packaged mode.
 }
diff --git a/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/extension-codestarts/resteasy-codestart/java/src/test/java/org/acme/{resource.class-name}Test.tpl.qute.java b/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/extension-codestarts/resteasy-codestart/java/src/test/java/org/acme/{resource.class-name}Test.tpl.qute.java
index aca41d9528af0..b02cd1aac42e2 100644
--- a/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/extension-codestarts/resteasy-codestart/java/src/test/java/org/acme/{resource.class-name}Test.tpl.qute.java
+++ b/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/extension-codestarts/resteasy-codestart/java/src/test/java/org/acme/{resource.class-name}Test.tpl.qute.java
@@ -7,10 +7,9 @@
 import static org.hamcrest.CoreMatchers.is;
 
 @QuarkusTest
-public class {resource.class-name}Test {
-
+class {resource.class-name}Test {
     @Test
-    public void testHelloEndpoint() {
+    void testHelloEndpoint() {
         given()
           .when().get("{resource.path}")
           .then()
diff --git a/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/extension-codestarts/resteasy-reactive-codestart/java/src/native-test/java/org/acme/{resource.class-name}IT.tpl.qute.java b/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/extension-codestarts/resteasy-reactive-codestart/java/src/native-test/java/org/acme/{resource.class-name}IT.tpl.qute.java
index 41cdadc177952..e1dc4213b0e54 100644
--- a/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/extension-codestarts/resteasy-reactive-codestart/java/src/native-test/java/org/acme/{resource.class-name}IT.tpl.qute.java
+++ b/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/extension-codestarts/resteasy-reactive-codestart/java/src/native-test/java/org/acme/{resource.class-name}IT.tpl.qute.java
@@ -3,6 +3,6 @@
 import io.quarkus.test.junit.QuarkusIntegrationTest;
 
 @QuarkusIntegrationTest
-public class {resource.class-name}IT extends {resource.class-name}Test {
+class {resource.class-name}IT extends {resource.class-name}Test {
     // Execute the same tests but in packaged mode.
 }
diff --git a/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/extension-codestarts/resteasy-reactive-codestart/java/src/test/java/org/acme/{resource.class-name}Test.tpl.qute.java b/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/extension-codestarts/resteasy-reactive-codestart/java/src/test/java/org/acme/{resource.class-name}Test.tpl.qute.java
index aca41d9528af0..b02cd1aac42e2 100644
--- a/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/extension-codestarts/resteasy-reactive-codestart/java/src/test/java/org/acme/{resource.class-name}Test.tpl.qute.java
+++ b/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/extension-codestarts/resteasy-reactive-codestart/java/src/test/java/org/acme/{resource.class-name}Test.tpl.qute.java
@@ -7,10 +7,9 @@
 import static org.hamcrest.CoreMatchers.is;
 
 @QuarkusTest
-public class {resource.class-name}Test {
-
+class {resource.class-name}Test {
     @Test
-    public void testHelloEndpoint() {
+    void testHelloEndpoint() {
         given()
           .when().get("{resource.path}")
           .then()
diff --git a/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/extension-codestarts/spring-web-codestart/java/src/native-test/java/org/acme/{resource.class-name}IT.tpl.qute.java b/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/extension-codestarts/spring-web-codestart/java/src/native-test/java/org/acme/{resource.class-name}IT.tpl.qute.java
index 41cdadc177952..e1dc4213b0e54 100644
--- a/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/extension-codestarts/spring-web-codestart/java/src/native-test/java/org/acme/{resource.class-name}IT.tpl.qute.java
+++ b/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/extension-codestarts/spring-web-codestart/java/src/native-test/java/org/acme/{resource.class-name}IT.tpl.qute.java
@@ -3,6 +3,6 @@
 import io.quarkus.test.junit.QuarkusIntegrationTest;
 
 @QuarkusIntegrationTest
-public class {resource.class-name}IT extends {resource.class-name}Test {
+class {resource.class-name}IT extends {resource.class-name}Test {
     // Execute the same tests but in packaged mode.
 }
diff --git a/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/extension-codestarts/spring-web-codestart/java/src/test/java/org/acme/{resource.class-name}Test.tpl.qute.java b/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/extension-codestarts/spring-web-codestart/java/src/test/java/org/acme/{resource.class-name}Test.tpl.qute.java
index aca41d9528af0..b02cd1aac42e2 100644
--- a/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/extension-codestarts/spring-web-codestart/java/src/test/java/org/acme/{resource.class-name}Test.tpl.qute.java
+++ b/devtools/project-core-extension-codestarts/src/main/resources/codestarts/quarkus/extension-codestarts/spring-web-codestart/java/src/test/java/org/acme/{resource.class-name}Test.tpl.qute.java
@@ -7,10 +7,9 @@
 import static org.hamcrest.CoreMatchers.is;
 
 @QuarkusTest
-public class {resource.class-name}Test {
-
+class {resource.class-name}Test {
     @Test
-    public void testHelloEndpoint() {
+    void testHelloEndpoint() {
         given()
           .when().get("{resource.path}")
           .then()
diff --git a/integration-tests/devtools/src/test/resources/__snapshots__/AmazonLambdaCodestartTest/testContent/src_test_java_ilove_quark_us_lambda_LambdaHandlerTest.java b/integration-tests/devtools/src/test/resources/__snapshots__/AmazonLambdaCodestartTest/testContent/src_test_java_ilove_quark_us_lambda_LambdaHandlerTest.java
index a4cd06203b932..e91c7204a9709 100644
--- a/integration-tests/devtools/src/test/resources/__snapshots__/AmazonLambdaCodestartTest/testContent/src_test_java_ilove_quark_us_lambda_LambdaHandlerTest.java
+++ b/integration-tests/devtools/src/test/resources/__snapshots__/AmazonLambdaCodestartTest/testContent/src_test_java_ilove_quark_us_lambda_LambdaHandlerTest.java
@@ -8,10 +8,9 @@
 import static org.hamcrest.CoreMatchers.containsString;
 
 @QuarkusTest
-public class LambdaHandlerTest {
-
+class LambdaHandlerTest {
     @Test
-    public void testSimpleLambdaSuccess() throws Exception {
+    void testSimpleLambdaSuccess() throws Exception {
         // you test your lambdas by invoking on http://localhost:8081
         // this works in dev mode too
 
diff --git a/integration-tests/devtools/src/test/resources/__snapshots__/FunqyAmazonLambdaCodestartTest/testContent/src_test_java_ilove_quark_us_funqy_FunqyIT.java b/integration-tests/devtools/src/test/resources/__snapshots__/FunqyAmazonLambdaCodestartTest/testContent/src_test_java_ilove_quark_us_funqy_FunqyIT.java
index 832ce6b1bb785..96079c2b9bed6 100644
--- a/integration-tests/devtools/src/test/resources/__snapshots__/FunqyAmazonLambdaCodestartTest/testContent/src_test_java_ilove_quark_us_funqy_FunqyIT.java
+++ b/integration-tests/devtools/src/test/resources/__snapshots__/FunqyAmazonLambdaCodestartTest/testContent/src_test_java_ilove_quark_us_funqy_FunqyIT.java
@@ -3,7 +3,7 @@
 import io.quarkus.test.junit.QuarkusIntegrationTest;
 
 @QuarkusIntegrationTest
-public class FunqyIT extends FunqyTest {
+class FunqyIT extends FunqyTest {
 
     // Run the same tests
 
diff --git a/integration-tests/devtools/src/test/resources/__snapshots__/FunqyAmazonLambdaCodestartTest/testContent/src_test_java_ilove_quark_us_funqy_FunqyTest.java b/integration-tests/devtools/src/test/resources/__snapshots__/FunqyAmazonLambdaCodestartTest/testContent/src_test_java_ilove_quark_us_funqy_FunqyTest.java
index b0f17923ae8ce..d268c28f4e1d4 100644
--- a/integration-tests/devtools/src/test/resources/__snapshots__/FunqyAmazonLambdaCodestartTest/testContent/src_test_java_ilove_quark_us_funqy_FunqyTest.java
+++ b/integration-tests/devtools/src/test/resources/__snapshots__/FunqyAmazonLambdaCodestartTest/testContent/src_test_java_ilove_quark_us_funqy_FunqyTest.java
@@ -7,10 +7,9 @@
 import static org.hamcrest.CoreMatchers.containsString;
 
 @QuarkusTest
-public class FunqyTest {
-
+class FunqyTest {
     @Test
-    public void testFunqyLambda() throws Exception {
+    void testFunqyLambda() throws Exception {
         // you test your lambdas by invoking on http://localhost:8081
         // this works in dev mode too
 
diff --git a/integration-tests/devtools/src/test/resources/__snapshots__/FunqyGoogleCloudFunctionsCodestartTest/testContent/src_test_java_ilove_quark_us_funqygooglecloudfunctions_GreetingFunctionsCloudEventsTest.java b/integration-tests/devtools/src/test/resources/__snapshots__/FunqyGoogleCloudFunctionsCodestartTest/testContent/src_test_java_ilove_quark_us_funqygooglecloudfunctions_GreetingFunctionsCloudEventsTest.java
index b902cb6bc535d..3d30c3af9214b 100644
--- a/integration-tests/devtools/src/test/resources/__snapshots__/FunqyGoogleCloudFunctionsCodestartTest/testContent/src_test_java_ilove_quark_us_funqygooglecloudfunctions_GreetingFunctionsCloudEventsTest.java
+++ b/integration-tests/devtools/src/test/resources/__snapshots__/FunqyGoogleCloudFunctionsCodestartTest/testContent/src_test_java_ilove_quark_us_funqygooglecloudfunctions_GreetingFunctionsCloudEventsTest.java
@@ -11,7 +11,7 @@
 @WithFunction(value = FunctionType.FUNQY_CLOUD_EVENTS, functionName = "helloCloudEvent")
 class GreetingFunctionsCloudEventsTest {
     @Test
-    public void testHelloCloudEvent() {
+    void testHelloCloudEvent() {
         given()
                 .body("{\n" +
                         "        \"bucket\": \"MY_BUCKET\",\n" +
diff --git a/integration-tests/devtools/src/test/resources/__snapshots__/FunqyGoogleCloudFunctionsCodestartTest/testContent/src_test_java_ilove_quark_us_funqygooglecloudfunctions_GreetingFunctionsPubSubTest.java b/integration-tests/devtools/src/test/resources/__snapshots__/FunqyGoogleCloudFunctionsCodestartTest/testContent/src_test_java_ilove_quark_us_funqygooglecloudfunctions_GreetingFunctionsPubSubTest.java
index 96f75c3ec6777..2af025ae5f3fb 100644
--- a/integration-tests/devtools/src/test/resources/__snapshots__/FunqyGoogleCloudFunctionsCodestartTest/testContent/src_test_java_ilove_quark_us_funqygooglecloudfunctions_GreetingFunctionsPubSubTest.java
+++ b/integration-tests/devtools/src/test/resources/__snapshots__/FunqyGoogleCloudFunctionsCodestartTest/testContent/src_test_java_ilove_quark_us_funqygooglecloudfunctions_GreetingFunctionsPubSubTest.java
@@ -11,7 +11,7 @@
 @WithFunction(value = FunctionType.FUNQY_BACKGROUND, functionName = "helloPubSubWorld")
 class GreetingFunctionsPubSubTest {
     @Test
-    public void testHelloPubSubWorld() {
+    void testHelloPubSubWorld() {
         given()
                 .body("{\"data\":{\"data\":\"world\"}}")
                 .when()
diff --git a/integration-tests/devtools/src/test/resources/__snapshots__/FunqyGoogleCloudFunctionsCodestartTest/testContent/src_test_java_ilove_quark_us_funqygooglecloudfunctions_GreetingFunctionsStorageTest.java b/integration-tests/devtools/src/test/resources/__snapshots__/FunqyGoogleCloudFunctionsCodestartTest/testContent/src_test_java_ilove_quark_us_funqygooglecloudfunctions_GreetingFunctionsStorageTest.java
index be65eb45f9dc5..c4395dde4c52b 100644
--- a/integration-tests/devtools/src/test/resources/__snapshots__/FunqyGoogleCloudFunctionsCodestartTest/testContent/src_test_java_ilove_quark_us_funqygooglecloudfunctions_GreetingFunctionsStorageTest.java
+++ b/integration-tests/devtools/src/test/resources/__snapshots__/FunqyGoogleCloudFunctionsCodestartTest/testContent/src_test_java_ilove_quark_us_funqygooglecloudfunctions_GreetingFunctionsStorageTest.java
@@ -11,7 +11,7 @@
 @WithFunction(value = FunctionType.FUNQY_BACKGROUND, functionName = "helloGCSWorld")
 class GreetingFunctionsStorageTest {
     @Test
-    public void testHelloGCSWorld() {
+    void testHelloGCSWorld() {
         given()
                 .body("{\"data\":{\"name\":\"hello.txt\"}}")
                 .when()
diff --git a/integration-tests/devtools/src/test/resources/__snapshots__/FunqyHttpCodestartTest/testContent/src_test_java_ilove_quark_us_MyFunctionsTest.java b/integration-tests/devtools/src/test/resources/__snapshots__/FunqyHttpCodestartTest/testContent/src_test_java_ilove_quark_us_MyFunctionsTest.java
index 65850cad613eb..2db4081158f24 100644
--- a/integration-tests/devtools/src/test/resources/__snapshots__/FunqyHttpCodestartTest/testContent/src_test_java_ilove_quark_us_MyFunctionsTest.java
+++ b/integration-tests/devtools/src/test/resources/__snapshots__/FunqyHttpCodestartTest/testContent/src_test_java_ilove_quark_us_MyFunctionsTest.java
@@ -8,10 +8,9 @@
 import static org.hamcrest.Matchers.containsString;
 
 @QuarkusTest
-public class MyFunctionsTest {
-
+class MyFunctionsTest {
     @Test
-    public void testFun() {
+    void testFun() {
         given()
             .post("/fun")
             .then()
@@ -20,7 +19,7 @@ public void testFun() {
     }
 
     @Test
-    public void testFunWithName() {
+    void testFunWithName() {
         given()
             .contentType(ContentType.JSON)
             .body("{\"name\": \"Friend\"}")
diff --git a/integration-tests/devtools/src/test/resources/__snapshots__/FunqyKnativeEventsCodestartTest/testContent/src_test_java_ilove_quark_us_funqy_cloudevent_FunqyIT.java b/integration-tests/devtools/src/test/resources/__snapshots__/FunqyKnativeEventsCodestartTest/testContent/src_test_java_ilove_quark_us_funqy_cloudevent_FunqyIT.java
index a7d713e8d54f4..4c9e912a408b0 100644
--- a/integration-tests/devtools/src/test/resources/__snapshots__/FunqyKnativeEventsCodestartTest/testContent/src_test_java_ilove_quark_us_funqy_cloudevent_FunqyIT.java
+++ b/integration-tests/devtools/src/test/resources/__snapshots__/FunqyKnativeEventsCodestartTest/testContent/src_test_java_ilove_quark_us_funqy_cloudevent_FunqyIT.java
@@ -3,7 +3,7 @@
 import io.quarkus.test.junit.QuarkusIntegrationTest;
 
 @QuarkusIntegrationTest
-public class FunqyIT extends FunqyTest {
+class FunqyIT extends FunqyTest {
 
     // Run the same tests
 
diff --git a/integration-tests/devtools/src/test/resources/__snapshots__/FunqyKnativeEventsCodestartTest/testContent/src_test_java_ilove_quark_us_funqy_cloudevent_FunqyTest.java b/integration-tests/devtools/src/test/resources/__snapshots__/FunqyKnativeEventsCodestartTest/testContent/src_test_java_ilove_quark_us_funqy_cloudevent_FunqyTest.java
index 9eb6515ddcc7f..c6902421e0903 100644
--- a/integration-tests/devtools/src/test/resources/__snapshots__/FunqyKnativeEventsCodestartTest/testContent/src_test_java_ilove_quark_us_funqy_cloudevent_FunqyTest.java
+++ b/integration-tests/devtools/src/test/resources/__snapshots__/FunqyKnativeEventsCodestartTest/testContent/src_test_java_ilove_quark_us_funqy_cloudevent_FunqyTest.java
@@ -12,10 +12,9 @@
 import static org.hamcrest.Matchers.notNullValue;
 
 @QuarkusTest
-public class FunqyTest {
-
+class FunqyTest {
     @Test
-    public void testCloudEvent() {
+    void testCloudEvent() {
         RestAssured.given().contentType("application/json")
                 .header("ce-specversion", "1.0")
                 .header("ce-id", UUID.randomUUID().toString())
diff --git a/integration-tests/devtools/src/test/resources/__snapshots__/GoogleCloudFunctionsCodestartTest/testContent/src_test_java_ilove_quark_us_googlecloudfunctions_HelloWorldBackgroundFunctionTest.java b/integration-tests/devtools/src/test/resources/__snapshots__/GoogleCloudFunctionsCodestartTest/testContent/src_test_java_ilove_quark_us_googlecloudfunctions_HelloWorldBackgroundFunctionTest.java
index d1226399ee1d4..a55e8a38e2bf7 100644
--- a/integration-tests/devtools/src/test/resources/__snapshots__/GoogleCloudFunctionsCodestartTest/testContent/src_test_java_ilove_quark_us_googlecloudfunctions_HelloWorldBackgroundFunctionTest.java
+++ b/integration-tests/devtools/src/test/resources/__snapshots__/GoogleCloudFunctionsCodestartTest/testContent/src_test_java_ilove_quark_us_googlecloudfunctions_HelloWorldBackgroundFunctionTest.java
@@ -11,7 +11,7 @@
 @WithFunction(FunctionType.BACKGROUND)
 class HelloWorldBackgroundFunctionTest {
     @Test
-    public void testAccept() {
+    void testAccept() {
         given()
                 .body("{\"data\":{\"name\":\"hello.txt\"}}")
                 .when()
diff --git a/integration-tests/devtools/src/test/resources/__snapshots__/GoogleCloudFunctionsCodestartTest/testContent/src_test_java_ilove_quark_us_googlecloudfunctions_HelloWorldCloudEventsFunctionTest.java b/integration-tests/devtools/src/test/resources/__snapshots__/GoogleCloudFunctionsCodestartTest/testContent/src_test_java_ilove_quark_us_googlecloudfunctions_HelloWorldCloudEventsFunctionTest.java
index c407b7258d43f..8c32e661a14f9 100644
--- a/integration-tests/devtools/src/test/resources/__snapshots__/GoogleCloudFunctionsCodestartTest/testContent/src_test_java_ilove_quark_us_googlecloudfunctions_HelloWorldCloudEventsFunctionTest.java
+++ b/integration-tests/devtools/src/test/resources/__snapshots__/GoogleCloudFunctionsCodestartTest/testContent/src_test_java_ilove_quark_us_googlecloudfunctions_HelloWorldCloudEventsFunctionTest.java
@@ -11,7 +11,7 @@
 @WithFunction(FunctionType.CLOUD_EVENTS)
 class HelloWorldCloudEventsFunctionTest {
     @Test
-    public void testAccept() {
+    void testAccept() {
         given()
                 .body("{\n" +
                         "        \"bucket\": \"MY_BUCKET\",\n" +
diff --git a/integration-tests/devtools/src/test/resources/__snapshots__/GoogleCloudFunctionsCodestartTest/testContent/src_test_java_ilove_quark_us_googlecloudfunctions_HelloWorldHttpFunctionTest.java b/integration-tests/devtools/src/test/resources/__snapshots__/GoogleCloudFunctionsCodestartTest/testContent/src_test_java_ilove_quark_us_googlecloudfunctions_HelloWorldHttpFunctionTest.java
index bdc8438f56a97..2ce1ad20a14a4 100644
--- a/integration-tests/devtools/src/test/resources/__snapshots__/GoogleCloudFunctionsCodestartTest/testContent/src_test_java_ilove_quark_us_googlecloudfunctions_HelloWorldHttpFunctionTest.java
+++ b/integration-tests/devtools/src/test/resources/__snapshots__/GoogleCloudFunctionsCodestartTest/testContent/src_test_java_ilove_quark_us_googlecloudfunctions_HelloWorldHttpFunctionTest.java
@@ -12,7 +12,7 @@
 @WithFunction(FunctionType.HTTP)
 class HelloWorldHttpFunctionTest {
     @Test
-    public void testService() {
+    void testService() {
         when()
                 .get()
                 .then()
diff --git a/integration-tests/devtools/src/test/resources/__snapshots__/GrpcCodestartTest/testContent/src_test_java_ilove_quark_us_HelloGrpcServiceTest.java b/integration-tests/devtools/src/test/resources/__snapshots__/GrpcCodestartTest/testContent/src_test_java_ilove_quark_us_HelloGrpcServiceTest.java
index 0d49375e4cafd..4f06eb5fc2cf8 100644
--- a/integration-tests/devtools/src/test/resources/__snapshots__/GrpcCodestartTest/testContent/src_test_java_ilove_quark_us_HelloGrpcServiceTest.java
+++ b/integration-tests/devtools/src/test/resources/__snapshots__/GrpcCodestartTest/testContent/src_test_java_ilove_quark_us_HelloGrpcServiceTest.java
@@ -10,13 +10,13 @@
 import org.junit.jupiter.api.Test;
 
 @QuarkusTest
-public class HelloGrpcServiceTest {
+class HelloGrpcServiceTest {
 
     @GrpcClient
     HelloGrpc helloGrpc;
 
     @Test
-    public void testHello() {
+    void testHello() {
         HelloReply reply = helloGrpc
                 .sayHello(HelloRequest.newBuilder().setName("Neo").build()).await().atMost(Duration.ofSeconds(5));
         assertEquals("Hello Neo!", reply.getMessage());
diff --git a/integration-tests/devtools/src/test/resources/__snapshots__/ReactiveRoutesCodestartTest/testContent/src_test_java_ilove_quark_us_MyDeclarativeRoutesTest.java b/integration-tests/devtools/src/test/resources/__snapshots__/ReactiveRoutesCodestartTest/testContent/src_test_java_ilove_quark_us_MyDeclarativeRoutesTest.java
index 7e340f95e9b83..835389f490e3a 100644
--- a/integration-tests/devtools/src/test/resources/__snapshots__/ReactiveRoutesCodestartTest/testContent/src_test_java_ilove_quark_us_MyDeclarativeRoutesTest.java
+++ b/integration-tests/devtools/src/test/resources/__snapshots__/ReactiveRoutesCodestartTest/testContent/src_test_java_ilove_quark_us_MyDeclarativeRoutesTest.java
@@ -9,14 +9,14 @@
 
 @QuarkusTest
 public class MyDeclarativeRoutesTest {
-	@Test
-	public void testHelloRouteEndpointWithNameParameter() {
-		given().when().get("hello-route?name=Quarkus").then().statusCode(200).body(is("Hello Quarkus !!"));
-	}
+    @Test
+    public void testHelloRouteEndpointWithNameParameter() {
+        given().when().get("hello-route?name=Quarkus").then().statusCode(200).body(is("Hello Quarkus !!"));
+    }
 
-	@Test
-	public void testHelloRouteEndpointWithoutNameParameter() {
-		given().when().get("hello-route").then().statusCode(200).body(is("Hello Reactive Route !!"));
-	}
+    @Test
+    public void testHelloRouteEndpointWithoutNameParameter() {
+        given().when().get("hello-route").then().statusCode(200).body(is("Hello Reactive Route !!"));
+    }
 
 }