4.0 and master Login as admin Navigate to Site admin -> Languages -> Language packs Install an RTL language such as Hebrew Navigate to Site admin -> Plugins - Text editors -> Manage text editors Ensure that the Legacy TinyMCE editor is enabled (it's just called TinyMCE in 4.0 and earlier) Move it to the top of the list to make it the default editor Open the user menu Choose Profile Edit your profile Modify the URL to append &lang=he (for Hebrew) Find the editor in the page and click into it Confirm that the cursor and any text you type is on the right of the page master only Navigate to Site admin -> Plugins - Text editors -> Manage text editors Ensure that the new TinyMCE editor is enabled Move it to the top of the list to make it the default editor Open the user menu Choose Profile Edit your profile Modify the URL to append &lang=he (for Hebrew) Find the editor in the page and click into it Confirm that the cursor and any text you type is on the right of the page Switch back to English Add a new H5P activity using the H5P button (you can find one in the h5p/tests/fixtures directory) Confirm that the H5P activity was added to the text editor with a dark background and the H5P text/logo