[Text Analytics] Diagnose issue with test resources (Azure#13015)

* [Text Analytics] Diagnose issue with test resources

* cancel only if not completed yet

Author: deyaaeldeen

sdk/textanalytics/ai-text-analytics/test/public/apiKey.spec.ts

@@ -599,7 +599,9 @@ describe("[API Key] TextAnalyticsClient", function() {
             }
           }
         );
-        await poller.cancelOperation();
+        if (!poller.isDone()) {
+          await poller.cancelOperation();
+        }
         assert.ok(poller.getOperationState().isCancelled);
       });
     });

sdk/textanalytics/test-resources.json

@@ -17,7 +17,7 @@
     },
     "cognitiveServicesEndpointSuffix": {
       "type": "string",
-      "defaultValue": "cognitiveservices.azure.com"
+      "defaultValue": ".cognitiveservices.azure.com"
     }
   },
   "variables": {
@@ -61,7 +61,7 @@
     },
     "ENDPOINT": {
       "type": "string",
-      "value": "[concat('https://', variables('accountName'), '.', parameters('cognitiveServicesEndpointSuffix'), '/')]"
+      "value": "[concat('https://', variables('accountName'), parameters('cognitiveServicesEndpointSuffix'), '/')]"
     }
   }
 }