Fix the linter

package.json

@@ -59,7 +59,8 @@
     "samples-test": "cd samples/ && npm link ../ && cd startup-script && npm link ../../ && cd ../ && npm test && cd ../",
     "system-test": "mocha system-test/*.js --timeout 600000",
     "test-no-cover": "mocha test/*.js",
-    "test": "npm run cover"
+    "test": "npm run cover",
+    "fix": "eslint --fix **/*.js && npm run prettier"
   },
   "dependencies": {
     "@google-cloud/common": "^0.17.0",

test/address.js

@@ -75,7 +75,7 @@ describe('Address', function() {
     });
 
     it('should inherit from ServiceObject', function(done) {
-      var regionInstance = extend({}, REGION, {
+      const regionInstance = extend({}, REGION, {
         createAddress: {
           bind: function(context) {
             assert.strictEqual(context, regionInstance);

test/autoscaler.js

@@ -81,7 +81,7 @@ describe('Autoscaler', function() {
     it('should inherit from ServiceObject', function() {
       let createMethod = util.noop;
 
-      var zoneInstance = extend({}, ZONE, {
+      const zoneInstance = extend({}, ZONE, {
         createAutoscaler: {
           bind: function(context) {
             assert.strictEqual(context, zoneInstance);

test/disk.js

@@ -113,7 +113,7 @@ describe('Disk', function() {
     });
 
     it('should inherit from ServiceObject', function(done) {
-      var zoneInstance = extend({}, ZONE, {
+      const zoneInstance = extend({}, ZONE, {
         createDisk: {
           bind: function(context) {
             assert.strictEqual(context, zoneInstance);

test/firewall.js

@@ -81,7 +81,7 @@ describe('Firewall', function() {
     });
 
     it('should inherit from ServiceObject', function() {
-      var computeInstance = extend({}, COMPUTE, {
+      const computeInstance = extend({}, COMPUTE, {
         createFirewall: {
           bind: function(context) {
             assert.strictEqual(context, computeInstance);

test/image.js

@@ -70,7 +70,7 @@ describe('Image', function() {
     });
 
     it('should inherit from ServiceObject', function() {
-      var computeInstance = extend({}, COMPUTE, {
+      const computeInstance = extend({}, COMPUTE, {
         createImage: {
           bind: function(context) {
             assert.strictEqual(context, computeInstance);

test/instance-group.js

@@ -110,7 +110,7 @@ describe('InstanceGroup', function() {
     it('should inherit from ServiceObject', function(done) {
       let instanceGroup;
 
-      var zoneInstance = extend({}, ZONE, {
+      const zoneInstance = extend({}, ZONE, {
         createInstanceGroup: {
           bind: function(context) {
             assert.strictEqual(context, zoneInstance);

test/network.js

@@ -109,7 +109,7 @@ describe('Network', function() {
     });
 
     it('should inherit from ServiceObject', function(done) {
-      var computeInstance = extend({}, COMPUTE, {
+      const computeInstance = extend({}, COMPUTE, {
         createNetwork: {
           bind: function(context) {
             assert.strictEqual(context, computeInstance);

test/service.js

@@ -79,7 +79,7 @@ describe('Service', function() {
     it('should inherit from ServiceObject', function() {
       let createMethod = util.noop;
 
-      var computeInstance = extend({}, COMPUTE, {
+      const computeInstance = extend({}, COMPUTE, {
         createService: {
           bind: function(context) {
             assert.strictEqual(context, computeInstance);

test/snapshot.js

@@ -89,7 +89,7 @@ describe('Snapshot', function() {
     });
 
     it('should allow creating for a Disk object snapshot', function(done) {
-      var scope = {
+      const scope = {
         constructor: {
           name: 'Disk',
         },

test/subnetwork.js

@@ -75,7 +75,7 @@ describe('Subnetwork', function() {
     it('should inherit from ServiceObject', function() {
       let createSubnetworkBound = {};
 
-      var regionInstance = extend({}, REGION, {
+      const regionInstance = extend({}, REGION, {
         createSubnetwork: {
           bind: function(context) {
             assert.strictEqual(context, regionInstance);

test/vm.js

@@ -123,7 +123,7 @@ describe('VM', function() {
     });
 
     it('should inherit from ServiceObject', function(done) {
-      var zoneInstance = extend({}, ZONE, {
+      const zoneInstance = extend({}, ZONE, {
         createVM: {
           bind: function(context) {
             assert.strictEqual(context, zoneInstance);
@@ -150,7 +150,6 @@ describe('VM', function() {
   });
 
   describe('attachDisk', function() {
-    let CONFIG = {};
     let EXPECTED_BODY;
 
     beforeEach(function() {
@@ -162,12 +161,12 @@ describe('VM', function() {
 
     it('should throw if a Disk object is not provided', function() {
       assert.throws(function() {
-        vm.attachDisk('disk-3', CONFIG, assert.ifError);
+        vm.attachDisk('disk-3', {}, assert.ifError);
       }, /A Disk object must be provided/);
 
       assert.doesNotThrow(function() {
         vm.request = util.noop;
-        vm.attachDisk(DISK, CONFIG, assert.ifError);
+        vm.attachDisk(DISK, {}, assert.ifError);
       });
     });
 
@@ -181,7 +180,7 @@ describe('VM', function() {
     });
 
     describe('options.readOnly', function() {
-      var CONFIG = extend({}, CONFIG, {readOnly: true});
+      const CONFIG = {readOnly: true};
 
       it('should set the correct mode', function(done) {
         let expectedBody = extend({}, EXPECTED_BODY, {mode: 'READ_ONLY'});
@@ -213,7 +212,7 @@ describe('VM', function() {
         callback();
       };
 
-      vm.attachDisk(DISK, CONFIG, done);
+      vm.attachDisk(DISK, {}, done);
     });
   });