### Highlight manual test 1. Create selection that starts before the last word of the first paragraph and ends after first word of the second paragraph and press `Set yellow highlight`. 1. Yellow highlight should be visible on text and widget. 1. Select whole contents of the editor and press `Set red highlight`. 1. Yellow highlight should be visible as before, red highlight should be visible on ranges where yellow highlight is not applied. 1. Click `Remove yellow highlight`. 1. Red highlight should be visible on the whole content, including the widget. 1. Play with highlights, add and remove them, check if they are applied correctly. NOTE: Yellow highlight should be visible over red and blue one. Red highlight should be visible over blue one.