Purposely introduce an integration test compilation error

Author: rsgowman

test/integration/auth.spec.ts

@@ -14,6 +14,7 @@
  * limitations under the License.
  */
 
+Look! A compilation error!
 import * as admin from '../../lib/index';
 import * as chai from 'chai';
 import * as chaiAsPromised from 'chai-as-promised';