Fix tests for iOS 8.1

Make it so everything runs nicely in iOS 8.1. With https://github.com/appium/appium/pull/3845 the whole suite will run, other than hiding the keyboard using swipe down.
when i get to two matches i usually switch to a contains match, like:

```js
var ios8 = _.contains(["ios8", "ios81"], env.DEVICE);
```

both because it often saves me a line break and because it makes it easy to extend. up to you if you think this is a good place for that.