Test failure: GitRepositoryListenerTest.shouldUpdateLatestEntries()

```
GitRepositoryListenerTest > shouldUpdateLatestEntries() FAILED
    java.lang.AssertionError: 
    Expecting actual not to be null
        at com.linecorp.centraldogma.server.internal.storage.repository.git.GitRepositoryListenerTest.shouldUpdateLatestEntries(GitRepositoryListenerTest.java:71)
```