public async Task <IActionResult> RemoveFollower(int followerId)
        {
            await _cityParticipantsService.RemoveFollowerAsync(followerId);

            _logger.LogInformation($"Follower with ID {{{followerId}}} was removed.");

            return(Ok());
        }
        public async Task RemoveFollowerAsync_Valid_Test(string email, string cityName)
        {
            // Arrange
            _repoWrapper
            .Setup(x => x.CityMembers
                   .GetFirstOrDefaultAsync(It.IsAny <Expression <Func <CityMembers, bool> > >(),
                                           It.IsAny <Func <IQueryable <CityMembers>, IIncludableQueryable <CityMembers, object> > >()))
            .ReturnsAsync(new CityMembers
            {
                UserId = fakeId.ToString(),
                User   = new User {
                    Email = email
                },
                City = new DataAccess.Entities.City {
                    Name = cityName
                },
                IsApproved = false
            });
            _repoWrapper
            .Setup(x => x.CityMembers.Delete(It.IsAny <CityMembers>()));
            _repoWrapper
            .Setup(x => x.SaveAsync());
            _emailSendingService
            .Setup(x => x.SendEmailAsync(It.IsAny <string>(),
                                         It.IsAny <string>(),
                                         It.IsAny <string>(),
                                         It.IsAny <string>()))
            .ReturnsAsync(true);
            _emailContentService
            .Setup(x => x.GetCityRemoveFollowerEmail(It.IsAny <string>(), It.IsAny <string>()))
            .Returns(new EmailModel());

            // Act
            await _cityParticipantsService.RemoveFollowerAsync(fakeId);

            // Assert
            _repoWrapper.Verify();
        }