public async Task AddUsersSampleAsync_ShouldReturnNewUsersSample() { //arrange UsersSample usersSample = new UsersSample { Id = 9, SampleId = 1, UserId = 1 }; ProjectDBContext projectDBContext = new ProjectDBContext(options); ProjectRepoDB projectRepoDB = new ProjectRepoDB(projectDBContext); //act var result = await projectRepoDB.AddUsersSampleAsync(usersSample); //assert Assert.Equal(usersSample.Id, result.Id); }