chore: fixes the generic-synthetic-nodejs sample to use google.com (#57)

Author: dkoss

samples/generic-synthetic-nodejs/index.js

@@ -27,8 +27,8 @@ functions.http('SyntheticFunction', runSyntheticHandler(async ({logger}) => {
    * If an error is thrown during execution, the synthetic test is considered failed.
    */
   logger.info('Making an http request using synthetics');
-  const url = 'https://www.googfasdffsdfle.com/'; // URL to send the request to
+  const url = 'https://www.google.com/'; // URL to send the request to
   return await assert.doesNotReject(axios.get(url));
 }));
 
-// [END monitoring_synthetic_monitoring_custom_script]
+// [END monitoring_synthetic_monitoring_custom_script]