[BUG] Test fails when building the solution/complete branch

[casper-lans]

git checkout solution/complete
mvn clean install

[INFO] Running org.example.app.task.logic.UcSaveTaskItemTest
[ERROR] Tests run: 1, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 0.160 s <<< FAILURE! -- in org.example.app.task.logic.UcSaveTaskItemTest
[ERROR] org.example.app.task.logic.UcSaveTaskItemTest.saveTaskItem -- Time elapsed: 0.135 s <<< FAILURE!
org.opentest4j.AssertionFailedError:

expected: 1
 but was: 0
        at org.example.app.task.logic.UcSaveTaskItemTest.saveTaskItem(UcSaveTaskItemTest.java:30)