test: skip installation test if GOOGLE_CLOUD_TESTS_IN_VPCSC is passed

system-test/install.ts

@@ -20,22 +20,30 @@ import {ncp} from 'ncp';
 import * as tmp from 'tmp';
 import {promisify} from 'util';
 
+const RUNNING_IN_VPCSC = !!process.env['GOOGLE_CLOUD_TESTS_IN_VPCSC'];
+
 const mvp = promisify(mv) as {} as (...args: string[]) => Promise<void>;
 const ncpp = promisify(ncp);
 const stagingDir = tmp.dirSync({unsafeCleanup: true});
 const stagingPath = stagingDir.name;
 const pkg = require('../../package.json');
 
-it('should be able to use the d.ts', async () => {
-  console.log(`${__filename} staging area: ${stagingPath}`);
-  await execa('npm', ['pack'], {stdio: 'inherit'});
-  const tarball = `google-cloud-bigquery-${pkg.version}.tgz`;
-  await mvp(tarball, `${stagingPath}/google-cloud-bigquery.tgz`);
-  await ncpp('system-test/fixtures/kitchen', `${stagingPath}/`);
-  await execa('npm', ['install'], {cwd: `${stagingPath}/`, stdio: 'inherit'});
-}).timeout(40000);
+describe('Installation test', () => {
+  before(function() {
+    if (RUNNING_IN_VPCSC) this.skip();
+  });
 
-/**
- * CLEAN UP - remove the staging directory when done.
- */
-after('cleanup staging', () => stagingDir.removeCallback());
+  /**
+   * CLEAN UP - remove the staging directory when done.
+   */
+  after('cleanup staging', () => stagingDir.removeCallback());
+
+  it('should be able to use the d.ts', async () => {
+    console.log(`${__filename} staging area: ${stagingPath}`);
+    await execa('npm', ['pack'], {stdio: 'inherit'});
+    const tarball = `google-cloud-bigquery-${pkg.version}.tgz`;
+    await mvp(tarball, `${stagingPath}/google-cloud-bigquery.tgz`);
+    await ncpp('system-test/fixtures/kitchen', `${stagingPath}/`);
+    await execa('npm', ['install'], {cwd: `${stagingPath}/`, stdio: 'inherit'});
+  }).timeout(40000);
+});