Disable failing calendar Actions Menu Test (#12181)

This test cannot be completed in a smart fashion until TestBench 3 is in
use, because of differences in the DOM structure created by GWT for IE
and Opera, versus Webkit and Gecko browsers. TB2 requires identical DOM
structure for assertion queries to work.

Change-Id: I6f5f9aac1c25e4e105459da215db080b031b2aab