Fixing unit test to not rely on html markup.

These unit tests broke due to a change in the framework Html class and markup.
https://googleplex-android-review.googlesource.com/#/c/236067/

Since the unit tests have nothing to do with html, it is better to
change the unit tests so they do not rely on the html markup.

Bug: 7352945
Change-Id: I3340575c08687fe481e91b3897037960911b1bbb