Switch from Mocha to Ava for faster tests (#289)

* Switch from Mocha to Ava

* Concurrency: 5

Author: jmdobry

packages/google-cloud-resourcemanager/samples/package.json

@@ -5,12 +5,11 @@
   "license": "Apache Version 2.0",
   "author": "Google Inc.",
   "scripts": {
-    "test": "cd ..; npm run t -- resource/test/*.test.js",
-    "system-test": "cd ..; npm run st -- resource/system-test/*.test.js"
+    "test": "cd ..; npm run st -- resource/system-test/*.test.js"
   },
   "dependencies": {
-    "@google-cloud/resource": "0.5.0",
-    "yargs": "6.5.0"
+    "@google-cloud/resource": "0.5.1",
+    "yargs": "6.6.0"
   },
   "engines": {
     "node": ">=4.3.2"

packages/google-cloud-resourcemanager/samples/quickstart.js

@@ -28,13 +28,11 @@ const resourceClient = Resource({
 });
 
 // Lists current projects
-resourceClient.getProjects((err, projects) => {
-  if (err) {
-    console.error(err);
-    return;
-  }
+resourceClient.getProjects()
+  .then((results) => {
+    const projects = results[0];
 
-  console.log('Projects:');
-  projects.forEach((project) => console.log(project.id));
-});
+    console.log('Projects:');
+    projects.forEach((project) => console.log(project.id));
+  });
 // [END resource_quickstart]