fix

Author: glasnt

iam/deny/test/deny.test.js

@@ -17,14 +17,14 @@
 const {assert} = require('chai');
 const uuid = require('uuid');
 const cp = require('child_process');
-const {describe, it, before} = require('mocha');
+const {describe, it} = require('mocha');
 const {PoliciesClient} = require('@google-cloud/iam').v2;
 const iamClient = new PoliciesClient();
 
 const execSync = cmd => cp.execSync(cmd, {encoding: 'utf-8'});
 
 describe('IAM deny samples', () => {
-  const {projectId} = process.env;
+  const projectId = process.env.PROJECT_ID;
   const policyId = `gcloud-test-policy-${uuid.v4().split('-')[0]}`;
   const policyName = `policies/cloudresourcemanager.googleapis.com%2Fprojects%2F949737848314/denypolicies/${policyId}`;