test(ci): use github actions Linux container (#782)

- with the electron@11 fixes now in `master`, this might actually pass.
- dropped Travis and updated README's badge.
- adjusted xvfb to 1024x768 by default.

closes #719

.github/workflows/ci.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [windows-latest, macOS-latest]
+        os: [ubuntu-latest, windows-latest, macOS-latest]
         node-version: [12.x]
 
     steps:

README.md

@@ -1,6 +1,6 @@
 # <img src="https://cloud.githubusercontent.com/assets/378023/15063284/cf544f2c-1383-11e6-9336-e13bd64b1694.png" width="60px" align="center" alt="Spectron icon"> Spectron
 
-[![Windows Build Status](https://ci.appveyor.com/api/projects/status/iv8xd919q6b44pap/branch/master?svg=true)](https://ci.appveyor.com/project/kevinsawicki/spectron/branch/master) [![js-standard-style](https://img.shields.io/badge/code%20style-standard-brightgreen.svg?style=flat)](http://standardjs.com/)
+[![CI](https://github.com/electron-userland/spectron/workflows/CI/badge.svg)](https://github.com/electron-userland/spectron/actions) [![js-standard-style](https://img.shields.io/badge/code%20style-standard-brightgreen.svg?style=flat)](http://standardjs.com/)
 [![dependencies](https://img.shields.io/david/electron/spectron.svg)](https://david-dm.org/electron/spectron) [![license:mit](https://img.shields.io/badge/license-mit-blue.svg)](https://opensource.org/licenses/MIT) [![npm:](https://img.shields.io/npm/v/spectron.svg)](https://www.npmjs.com/package/spectron) [![downloads](https://img.shields.io/npm/dm/spectron.svg)](https://www.npmjs.com/package/spectron)
 
 Easily test your [Electron](http://electron.atom.io) apps using

package.json

@@ -10,7 +10,7 @@
     "prepare": "check-for-leaks",
     "prepush": "check-for-leaks",
     "pretest": "tsc lib/spectron.d.ts",
-    "test": "npm run lint && xvfb-maybe mocha",
+    "test": "npm run lint && xvfb-maybe --server-args=\"-screen 0 1024x768x24\" -- mocha",
     "postinstall": "node lib/rpath-fix.js"
   },
   "engines": {

test/commands-test.js

@@ -181,7 +181,7 @@ describe('window commands', function () {
       app.electron.clipboard.writeText('pasta');
       await app.electron.clipboard.readText().should.eventually.equal('pasta');
       await elem.click();
-      app.webContents.paste();
+      await app.webContents.paste();
       const value = await elem.getValue();
       return expect(value).to.equal('pasta');
     });