Fixed the operation not allowed error for the table aws_directory_service_directory Closes #2155

[ParthaI]

Integration test logs

Logs

``` N/A ```

Example query results

Results

``` Before fix: > select name, type, event_topics, snapshot_limit from aws_directory_service_directory Error: aws: operation error Directory Service: GetSnapshotLimits, https response error StatusCode: 400, RequestID: b75299bd-9b0c-4818-9609-e61aba43c002, ClientException: Snapshot limits can be fetched only for VPC or Microsoft AD directories. : RequestId: b75299bd-9b0c-4818-9609-e61aba43c002 (SQLSTATE HV000) +----------+----------+--------------+------------------------------------------------------------------------------------------------+ | name | type | event_topics | snapshot_limit | +----------+----------+--------------+------------------------------------------------------------------------------------------------+ | test.com | SimpleAD | [] | {"ManualSnapshotsCurrentCount":0,"ManualSnapshotsLimit":5,"ManualSnapshotsLimitReached":false} | +----------+----------+--------------+------------------------------------------------------------------------------------------------+ After fix: > select name, type, event_topics, snapshot_limit from aws_directory_service_directory +----------+-------------+--------------+------------------------------------------------------------------------------------------------+ | name | type | event_topics | snapshot_limit | +----------+-------------+--------------+------------------------------------------------------------------------------------------------+ | test.com | ADConnector | [] | | | test.com | SimpleAD | [] | {"ManualSnapshotsCurrentCount":0,"ManualSnapshotsLimit":5,"ManualSnapshotsLimitReached":false} | +----------+-------------+--------------+------------------------------------------------------------------------------------------------+ ```