refactor: use execSync for tests

refactor: use execSync for tests

#187 automerged by dpebot

Author: JustinBeckwith

dataproc/package.json

@@ -16,7 +16,6 @@
   },
   "devDependencies": {
     "chai": "^4.2.0",
-    "execa": "^1.0.0",
     "mocha": "^6.0.0"
   }
 }

dataproc/system-test/quickstart.test.js

@@ -14,11 +14,11 @@
  */
 
 const {assert} = require('chai');
-const execa = require('execa');
+const {execSync} = require('child_process');
 
 describe('dataproc samples', () => {
   it('should run the quickstart', async () => {
-    const {stdout} = await execa.shell('node quickstart');
+    const stdout = execSync('node quickstart');
     assert.match(stdout, /Total resources:/);
   });
 });