public void DeleteById_ValidObjectId_ShouldBeDeletedAndReturnTrue()
{
_gigRepository.Add(_testGigOne);
_gigRepository.Add(_testGigTwo);
var countBefore = _mongoDatabaseUtilities.CountRecordsInCollection();
// Perform
var result = _gigRepository.DeleteById(_testGigOne.Id);
// Verify
Assert.IsTrue(result);
var countAfter = _mongoDatabaseUtilities.CountRecordsInCollection();
Assert.AreEqual(countBefore - 1, countAfter);
var findResult = _mongoDatabaseUtilities.FindRecordById(_testGigOne.Id);
CollectionAssert.IsEmpty(findResult);
}