public void RepoRegistryMountsOnlyRegisteredRepos()
        {
            Mock <IRepoMounter> repoMounterMock = new Mock <IRepoMounter>(MockBehavior.Strict);

            repoMounterMock.Setup(mp => mp.MountRepository(ExpectedActiveRepoPath, ExpectedActiveUserId)).Returns(true);

            this.CreateTestRepos(ServiceDataLocation);

            RepoRegistry repoRegistry = new RepoRegistry(
                this.tracer,
                this.fileSystem,
                ServiceDataLocation,
                repoMounterMock.Object);

            repoRegistry.AutoMountRepos(ExpectedActiveUserId.ToString(), ExpectedSessionId);

            repoMounterMock.VerifyAll();
        }