CLONE - A teacher can display choice responses horizontally or vertically

This test requires a choice activity which has a number of responses.

1. Login as a teacher, update the choice activity and set the display mode to display vertically.
2. Click the 'Save and display' button and check that the choice responses are displayed in a bar chart vertically.
3. Update the choice activity and set the display mode to display horizontally.
4. Click the 'Save and display' button and check that the choice responses are displayed in a bar chart horizontally.