TBIO-5141: Add waitForHidden. Add step versions of cWaitFor.
TBIO-5141: Add waitForHidden. Add step versions of cWaitFor.

tinymce/tinymce,FernCreek/tinymce,FernCreek/tinymce,FernCreek/tinymce,TeamupCom/tinymce,tinymce/tinymce,tinymce/tinymce,TeamupCom/tinymce