chore: changing region to west1 for samples (#1549)

* chore: changing region

* test(nodejs): remove 15 add 16 (#1322) (#1531)

* fix: for merging when array/struct chunks contain null (#1541)

* fix: for merging when array/struct chunks contain null

* fix: fix for new @types/node version (#1542)

* fix: fix for new @types/node version

* 🦉 Updates from OwlBot

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

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

* chore(main): release 5.16.2 (#1543)

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>

* fix: adding test case for chunked struct with a null array

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>
Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>

Co-authored-by: gcf-owl-bot[bot] <78513119+gcf-owl-bot[bot]@users.noreply.github.com>
Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>
Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>

samples/instance.js

@@ -37,7 +37,7 @@ async function createInstance(instanceId, projectId) {
   try {
     console.log(`Creating instance ${instance.formattedName_}.`);
     const [, operation] = await instance.create({
-      config: 'regional-us-central1',
+      config: 'regional-us-west1',
       nodes: 1,
       displayName: 'This is a display name.',
       labels: {

samples/system-test/spanner.test.js

@@ -54,8 +54,8 @@ const DEFAULT_LEADER_DATABASE_ID = `test-database-${CURRENT_TIME}-dl`;
 const BACKUP_ID = `test-backup-${CURRENT_TIME}`;
 const ENCRYPTED_BACKUP_ID = `test-backup-${CURRENT_TIME}-enc`;
 const CANCELLED_BACKUP_ID = `test-backup-${CURRENT_TIME}-c`;
-const LOCATION_ID = 'regional-us-central1';
-const KEY_LOCATION_ID = 'us-central1';
+const LOCATION_ID = 'regional-us-west1';
+const KEY_LOCATION_ID = 'us-west1';
 const KEY_RING_ID = 'test-key-ring-node';
 const KEY_ID = 'test-key';
 const DEFAULT_LEADER = 'us-central1';