Utilizes assertIn

Using assertTrue and the 'in' operator to test
if an element is in a sequence is too python2.4.
Our unit testing framework supports assertIn
which was created for these types of tests.

Fixes bug #1230028

Change-Id: I8a9147fa9982644067ff45c73e116d88845e47e3
Imported Translations from Transifex

Change-Id: I7ff99a23bc300d05d06ffa2d0ccc9f5742216155
Merge "Imported Translations from Transifex"
Merge "Utilizes assertIn"