public async Task UpdateSampleSetsAsync_ShouldReturnOldSampleSets() { //arrange SampleSets sampleSets = new SampleSets { Id = 1, Name = "New sample sets name" }; ProjectDBContext projectDBContext = new ProjectDBContext(options); ProjectRepoDB projectRepoDB = new ProjectRepoDB(projectDBContext); //act var result = await projectRepoDB.UpdateSampleSetsAsync(sampleSets); //assert Assert.Equal(sampleSets.Name, result.Name); }