Headings feature
- The data should be loaded with three headings and one paragraph.
- Put selection inside each block and check if dropdown label is changing properly.
- Play with headings:
- Switch headings using dropdown.
- Apply same heading twice to same block to see if its switching with paragraph.
- Put selection that spans across multiple blocks and switch headings.
- Enter behavior alternations:
- At the end of a heading should create a new paragraph.
- In the middle of a heading should split it.