NXP-13828: update 'testAddMiniMessageButton' test to avoid random error
NXP-13828: fix text present detection
NXP-13987: add convenient methods and class to test vocabularies
NXP-13987: add test on vocabulary and select2 behavior on entry deleted
NXP-13987: disable selenium test on vocabulary
NXP-13987: ignore StaleElementReferenceException in wait for loading
NXP-13987: remove selenium vocabularies test