docs(samples): add usage samples to show handling of LRO response Operation (#519)

* improvements: add samples

* 🦉 Updates from OwlBot

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

* test: add tests for the samples

* fix: merge conflict

* 🦉 Updates from OwlBot

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

* 🦉 Updates from OwlBot

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

* 🦉 Updates from OwlBot

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

* cleanup: rearrange region tags

* 🦉 Updates from OwlBot

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

* fix: replace beforeEach with before

* fix: failing test cases

* cleanup: rearrange code lines

* test: fix the timeout and race issues in tests

* cleanup: rename fn

* fix: mocha test definition

* cleanup: change console log

* 🦉 Updates from OwlBot

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

* fix: failing test due package

* 🦉 Updates from OwlBot

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

* fix: linting errors

* fix: add netowkr as arg

* lint: fix test js

* 🦉 Updates from OwlBot

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

* test: add ci network to test

* cleanup: ammend as per PR comments

* cleanup: remove unused dep

* fix: test case

* doc: add explanation to the test util file

* 🦉 Updates from OwlBot

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

* doc: fix typos

* 🦉 Updates from OwlBot

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

* lint: fix errors

* fix: move after block

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

Author: 2 people

container/snippets/package.json

@@ -11,10 +11,11 @@
     "*.js"
   ],
   "scripts": {
-    "test": "mocha system-test --timeout 10000"
+    "test": "mocha system-test --timeout 1000000"
   },
   "dependencies": {
-    "@google-cloud/container": "^2.6.0"
+    "@google-cloud/container": "^2.6.0",
+    "uuid": "^8.3.2"
   },
   "devDependencies": {
     "chai": "^4.2.0",

container/snippets/quickstart.js

@@ -14,6 +14,7 @@
 
 'use strict';
 
+// [START gke_list_cluster]
 async function main() {
   // [START container_quickstart]
   const container = require('@google-cloud/container');
@@ -30,11 +31,11 @@ async function main() {
     };
 
     const [response] = await client.listClusters(request);
-    console.log('Clusters:');
-    console.log(response);
+    console.log('Clusters: ', response);
   }
   quickstart();
   // [END container_quickstart]
 }
 
 main().catch(console.error);
+// [END gke_list_cluster]

container/snippets/system-test/sample.test.js renamed to container/snippets/system-test/quicktest.test.js

@@ -20,7 +20,7 @@ const cp = require('child_process');
 
 const execSync = cmd => cp.execSync(cmd, {encoding: 'utf-8'});
 
-describe('container samples', () => {
+describe('container samples - quickstart', () => {
   it('should run the quickstart', async () => {
     const stdout = execSync('node quickstart');
     assert.match(stdout, /Clusters:/);