diff --git a/main/docker/Dockerfile b/main/docker/Dockerfile
index 2b7873e85..533fc32a5 100644
--- a/main/docker/Dockerfile
+++ b/main/docker/Dockerfile
@@ -55,6 +55,7 @@ ENV METRICS_PORTAL_CONFIG="-Dconfig.resource=portal.application.conf"
 ENV JAVA_OPTS="\
     --add-opens java.base/java.nio=ALL-UNNAMED \
     --add-opens java.base/sun.nio.ch=ALL-UNNAMED \
+    --add-opens=java.base/java.lang=ALL-UNNAMED \
     -XX:+HeapDumpOnOutOfMemoryError \
     -XX:HeapDumpPath=/opt/metrics-portal/logs/metrics-portal.oom.hprof \
     -Xlog:gc*:file=/opt/metrics-portal/logs/metrics-portal.gc.log:none:filecount=5,filesize=10M \
@@ -66,7 +67,7 @@ ENV APP_OPTS="/opt/metrics-portal"
 ENV ADDITIONAL_APP_OPTS=""
 
 # Build
-RUN apt update && apt install -y gosu chromium-browser && rm -rf /var/lib/apt/lists/*
+RUN apt update && DEBIAN_FRONTEND=noninteractive apt install -y gosu chromium-browser && rm -rf /var/lib/apt/lists/*
 RUN mkdir -p /opt/metrics-portal/lib/ext && \
     mkdir -p /opt/metrics-portal/config && \
     mkdir -p /opt/metrics-portal/logs
diff --git a/pom.xml b/pom.xml
index 30e774d1a..3401429b5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -286,6 +286,18 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-surefire-plugin</artifactId>
+        <executions>
+            <execution>
+                <id>default-test</id>
+                <phase>test</phase>
+                <goals>
+                  <goal>test</goal>
+                </goals>
+                <configuration>
+                  <argLine>@{argLine} --add-opens=java.base/java.lang=ALL-UNNAMED -Xms512m -ea -Duser.timezone="UTC"</argLine>
+                </configuration>
+            </execution>
+        </executions>
       </plugin>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>