### Selection attributes conversion test [#462](https://github.com/ckeditor/ckeditor5-engine/issues/462)
#### Test 1
1. Put caret inside unstyled word.
2. Press Ctrl+I.
Expected results:
* `@@@@@@@` was inserted into editable.
* selection has the `'italic'` attribute.
* selection anchor's parent node is ``.
#### Test 2
1. Put caret inside bold word.
2. Press Ctrl+B.
Expected results:
* `` element from previous test got removed.
* `` element got broken.
* selection doesn't have the `'bold'` attribute.
* selection anchor's parent node is ``.