1, 'defaultRegion' => 'us-west-2', 'testCases' => [ [ 'operationName' => 'ListPolicies', 'input' => [], 'errorExpectedFromService' => false, ], [ 'operationName' => 'DescribeThing', 'input' => [ 'thingName' => 'fake-thing', ], 'errorExpectedFromService' => true, ], ],];