public async Task Should_Call_ExistsAsyncMethodByResidentialIdAndHouseName()
{
//Arrange
const int residentialId = 2;
const string houseName = "House name";
_manager = new HouseManager(_mapperMock.Object, _houseRepositoryMock.Object);
//Act
var result = await _manager.ExistsAsync(residentialId, houseName);
//Assert
_houseRepositoryMock.Verify(x => x.ExistsAsync(residentialId, houseName), Times.Once);
}