### Question:
RepositoryDetails { public RepositorySystem getRepositorySystem() { return repositorySystem; } RepositoryDetails(RepositorySystem repositorySystem,
                           RepositorySystemSession repositorySystemSession,
                           List<RemoteRepository> remoteRepositories); RepositorySystem getRepositorySystem(); RepositorySystemSession getRepositorySystemSession(); List<RemoteRepository> getRemoteRepositories();  }### Answer:
@Test public void testRepositorySystem() { assertThat(repositoryDetails.getRepositorySystem()).isSameAs(repositorySystem); }