ci next try to fix unit test run

.gitlab-ci.yml

@@ -49,7 +49,7 @@ test_unit_tests:
       - dockered
   script:
     - docker pull $CONTAINER_TEST_IMAGE
-    - docker run $CONTAINER_TEST_IMAGE echo "test.enabled = false" >> /ttc18/jastadd-mquat-solver-genetic/build.gradle && /ttc18/gradlew test 
+    - docker run $CONTAINER_TEST_IMAGE /bin/bash -c 'echo "test.enabled = false" >> /ttc18/jastadd-mquat-solver-genetic/build.gradle && /ttc18/gradlew test'
 
 release-image:
     stage: release