Fix eslint errors

test/specs/app_test.js

@@ -1,81 +1,86 @@
 'use strict';
 
-const path = require('path');
 const fs = require('fs');
 
 const env = require('../modules/environment');
 
-describe('application', function() {
+describe('application', function desc() {
   this.timeout(10000);
 
-  beforeEach(function(done) {
+  beforeEach((done) => {
     this.app = env.getSpectronApp();
     fs.unlink(env.configFilePath, () => {
       done();
     });
   });
 
-  afterEach(function() {
+  afterEach(() => {
     if (this.app && this.app.isRunning()) {
-      return this.app.stop()
+      return this.app.stop();
     }
+    return true;
   });
 
-  it('should show a window', function() {
+  it('should show a window', () => {
     return this.app.start().then(() => {
-      return this.app.client.waitUntilWindowLoaded()
-        .getWindowCount().should.eventually.equal(1)
-        .browserWindow.isDevToolsOpened().should.eventually.be.false
-        .browserWindow.isVisible().should.eventually.be.true
+      return this.app.client.
+        waitUntilWindowLoaded().
+        getWindowCount().should.eventually.equal(1).
+        browserWindow.isDevToolsOpened().should.eventually.be.false.
+        browserWindow.isVisible().should.eventually.be.true;
     });
   });
 
-  it('should show settings.html when there is no config file', function() {
+  it('should show settings.html when there is no config file', () => {
     return this.app.start().then(() => {
-      return this.app.client.waitUntilWindowLoaded()
-        .getUrl().should.eventually.match(/\/settings.html$/)
+      return this.app.client.
+        waitUntilWindowLoaded().
+        getUrl().should.eventually.match(/\/settings.html$/);
     });
   });
 
-  it('should show index.html when there is config file', function() {
+  it('should show index.html when there is config file', () => {
     fs.writeFileSync(env.configFilePath, JSON.stringify({
       url: env.mattermostURL
     }));
     return this.app.start().then(() => {
-      return this.app.client.waitUntilWindowLoaded()
-        .getUrl().should.eventually.match(/\/index.html$/)
+      return this.app.client.
+        waitUntilWindowLoaded().
+        getUrl().should.eventually.match(/\/index.html$/);
     });
   });
 
-  it('should upgrade v0 config file', function() {
+  it('should upgrade v0 config file', () => {
     const settings = require('../../src/common/settings');
     fs.writeFileSync(env.configFilePath, JSON.stringify({
       url: env.mattermostURL
     }));
     return this.app.start().then(() => {
-      return this.app.client.waitUntilWindowLoaded()
-        .getUrl().should.eventually.match(/\/index.html$/)
-    }).then(function() {
+      return this.app.client.
+        waitUntilWindowLoaded().
+        getUrl().should.eventually.match(/\/index.html$/);
+    }).then(() => {
       var str = fs.readFileSync(env.configFilePath, 'utf8');
       var config = JSON.parse(str);
       config.version.should.equal(settings.version);
     });
   });
 
-  it.skip('should be stopped when the app instance already exists', function(done) {
+  it.skip('should be stopped when the app instance already exists', (done) => {
     this.app.start().then(() => {
       const secondApp = env.getSpectronApp();
+
+      // In the correct case, 'start().then' is not called.
+      // So need to use setTimeout in order to finish this test.
+      const timer = setTimeout(() => {
+        done();
+      }, 3000);
       secondApp.start().then(() => {
         clearTimeout(timer);
         return secondApp.stop();
       }).then(() => {
         done(new Error('Second app instance exists'));
       });
-      // In the correct case, 'start().then' is not called.
-      // So need to use setTimeout in order to finish this test.
-      const timer = setTimeout(() => {
-        done();
-      }, 3000);
     });
   });
 });