Tweaks for text-area tests
Removing duplicate tests

See
[here](https://github.com/emberjs/ember.js/blob/master/packages/ember-views/tests/views/view/template_test.js#L21-57)
Merge pull request #9726 from twokul/text-area-tests

Tweaks for text-area tests
Merge pull request #9727 from twokul/template-tests

Removing duplicate tests