Do not setUpClass or tearDownClass V3 tests if API is disabled

Bugs in performing tearDown may occur if v3 is
disabled as the skip would cause the setUp to be
incomplete, causing the tearDown to reference undefined
instance variables.

Change-Id: I69110c6149ee22aa3e0d6ee27c52ef0159e9a235
Closes-Bug: #1282839
Closes-Bug: #1282829
Closes-Bug: #1282827
Merge "Do not setUpClass or tearDownClass V3 tests if API is disabled"