public async void All() { Mock <ILogger <SpaceXSpaceFeatureRepository> > loggerMoc = SpaceXSpaceFeatureRepositoryMoc.GetLoggerMoc(); ApplicationDbContext context = SpaceXSpaceFeatureRepositoryMoc.GetContext(); var repository = new SpaceXSpaceFeatureRepository(loggerMoc.Object, context); SpaceXSpaceFeature entity = new SpaceXSpaceFeature(); context.Set <SpaceXSpaceFeature>().Add(entity); await context.SaveChangesAsync(); var record = await repository.All(); record.Should().NotBeEmpty(); }