gitignore: Add nosetests' .coverage file

Signed-off-by: Euan Harris <euan.harris@citrix.com>
Tests: Add tests for simple methods in configure

Signed-off-by: Euan Harris <euan.harris@citrix.com>
Tests: Add mock tests for methods which spawn subprocesses

Signed-off-by: Euan Harris <euan.harris@citrix.com>