diff --git a/tests/integration/projects/general/service.py b/tests/integration/projects/general/service.py
index b6c23c28d5b..d7565b4bf94 100644
--- a/tests/integration/projects/general/service.py
+++ b/tests/integration/projects/general/service.py
@@ -70,23 +70,20 @@ def predict_json(self, input_datas):
     def customezed_route(self, input_datas):
         return input_datas
 
-    @bentoml.api(
-        input=JsonInput(
-            request_schema={
-                "application/json": {
-                    "schema": {
-                        "type": "object",
-                        "required": ["field1", "field2"],
-                        "properties": {
-                            "field1": {"type": "string"},
-                            "field2": {"type": "uuid"},
-                        },
-                    },
-                }
-            }
-        ),
-        batch=True,
-    )
+    CUSTOM_SCHEMA = {
+        "application/json": {
+            "schema": {
+                "type": "object",
+                "required": ["field1", "field2"],
+                "properties": {
+                    "field1": {"type": "string"},
+                    "field2": {"type": "uuid"},
+                },
+            },
+        }
+    }
+
+    @bentoml.api(input=JsonInput(request_schema=CUSTOM_SCHEMA), batch=True)
     def customezed_schema(self, input_datas):
         return input_datas
 
diff --git a/tests/integration/projects/general_non_batch/tests/test_meta.py b/tests/integration/projects/general_non_batch/tests/test_meta.py
index f394706c429..f2d6522f8ab 100644
--- a/tests/integration/projects/general_non_batch/tests/test_meta.py
+++ b/tests/integration/projects/general_non_batch/tests/test_meta.py
@@ -11,9 +11,13 @@ async def test_api_server_meta(host):
 
 @pytest.mark.asyncio
 async def test_customized_request_schema(host):
+    def has_customized_schema(doc_bytes):
+        json_str = doc_bytes.decode()
+        return "field1" in json_str
+
     await pytest.assert_request(
         "GET",
         f"http://{host}/docs.json",
         headers=(("Content-Type", "application/json"),),
-        assert_data="",
+        assert_data=has_customized_schema,
     )