Add more test cases to ActionTest

1. The 'dummy' test case already tested ucfirst(), but strtolower()
was not tested. The new 'DUMMY' tests fixes that.

2. Add a new test where the requested action is false.

3. Refactored the dummy builder a bit to make it easier to reuse.

Change-Id: Id7d9adac064b307b04bf6accb83ffd7f217a857c