hasDifferences property Null safety
Whether or not expectedTable and actualTable are the same.
Implementation
bool get hasDifferences =>
_differingColumns.isNotEmpty ||
expectedTable?.name?.toLowerCase() != actualTable?.name?.toLowerCase() ||
(expectedTable == null && actualTable != null) ||
(actualTable == null && expectedTable != null) ||
(uniqueSetDifference?.hasDifferences ?? false);