Fix integration tests (#13753)

* Fix integration tests

* Fix integration tests, concat URL

sdk/digitaltwins/digital-twins-core/test-resources.json

@@ -42,21 +42,9 @@
     }
   ],
   "outputs": {
-    "AZURE_TENANT_ID": {
-      "type": "string",
-      "value": "[parameters('tenantId')]"
-    },
-    "AZURE_CLIENT_ID": {
-      "type": "string",
-      "value": "[parameters('testApplicationId')]"
-    },
-    "AZURE_CLIENT_SECRET": {
-      "type": "string",
-      "value": "[parameters('testApplicationSecret')]"
-    },
     "AZURE_DIGITALTWINS_URL": {
       "type": "string",
-      "value": "[reference(variables('azureDigitalTwins')).hostName]"
+      "value": "[concat('https://', reference(variables('azureDigitalTwins')).hostName)]"
     }
   }
 }