public async Task ExpenceAllTest() { // Arrange var expence = new Expense { Id = 2, ExpenceDate = DateTime.UtcNow.Date, ExpenceDescription = "издаване на заповед", ExpenceValue = 27.20m, Payee = "РРС", LawCaseId = 1, }; var optionBuilder = new DbContextOptionsBuilder <ApplicationDbContext>() .UseInMemoryDatabase("testDb"); var dbContext = new ApplicationDbContext(optionBuilder.Options); await dbContext.Expenses.AddAsync(expence); await dbContext.SaveChangesAsync(); var service = new ExpenseService(dbContext); // Act var result = service.AllAsync(); // Assert Assert.NotNull(result); //Assert.Equal(1, result.Id); }