public async Task GetAllUsersWithRoles_UnprocessableEntity() { // Arrange int roles = 0; string expectedError = $"Invalid Roles: {roles}"; // Act ActionResult <IEnumerable <UserListItemModel> > response = await _sut.GetAllUsersWithRoles(roles); // Assert await _mockAppUsersService.DidNotReceiveWithAnyArgs().RetrieveAllWithRolesAsync(default);