public async Task AddCartAsync_ReturnsTrue() { //Arrange bool expected = true; var cart = new Carts() { Id = 1, CustomerId = 1, TotalPrice = 200 }; _cartRepostitoryMock.Setup(x => x.AddAsync(cart)).ReturnsAsync(expected); //Act var cartRes = await _cartServiceMock.AddCartAsync(cart); //Assert Assert.Equal(expected, cartRes); Assert.True(cartRes); }