Fix integration test setup

test/setup.js

@@ -28,10 +28,15 @@ module.exports = {
 // Returns a promise that resolves to a Spectron Application once the app has loaded.
 // Takes a Tape test. Makes some basic assertions to verify that the app loaded correctly.
 function createApp (t) {
+  const userDataDir = process.platform === 'win32'
+    ? path.join('C:\\Windows\\Temp', 'WebTorrentTest')
+    : path.join('/tmp', 'WebTorrentTest')
+
   return new Application({
     path: path.join(__dirname, '..', 'node_modules', '.bin',
       'electron' + (process.platform === 'win32' ? '.cmd' : '')),
     args: ['-r', path.join(__dirname, 'mocks.js'), path.join(__dirname, '..')],
+    chromeDriverArgs: [`--user-data-dir=${userDataDir}`],
     env: { NODE_ENV: 'test' },
     waitTimeout: 10e3
   })
@@ -78,6 +83,12 @@ function endTest (app, t, err) {
 // Otherwise, create the reference screenshot: test/screenshots/<platform>/<name>.png
 function screenshotCreateOrCompare (app, t, name) {
   const ssDir = path.join(__dirname, 'screenshots', process.platform)
+
+  // check that path exists otherwise create it
+  if (!fs.existsSync(ssDir)) {
+    fs.mkdirSync(ssDir)
+  }
+
   const ssPath = path.join(ssDir, name + '.png')
   let ssBuf