Set up PYTHONPATH for tests correctly
Set up PYTHONPATH for tests correctly

Change-Id: I1136418671fc06310310551ad5631ef1aa4b8b32
Reviewed-by: John Cummings <7d5bba3e6137bc705da943d9290ee7bb84e629e4@users.sf.net>

enthought/pyside,BadSingleton/pyside2,enthought/pyside,IronManMark20/pyside2,gbaty/pyside2,BadSingleton/pyside2,pankajp/pyside,enthought/pyside,pankajp/pyside,RobinD42/pyside,RobinD42/pyside,IronManMark20/pyside2,enthought/pyside,PySide/PySide,BadSingleton/pyside2,gbaty/pyside2,PySide/PySide,IronManMark20/pyside2,RobinD42/pyside,enthought/pyside,IronManMark20/pyside2,qtproject/pyside-pyside,qtproject/pyside-pyside,PySide/PySide,BadSingleton/pyside2,IronManMark20/pyside2,enthought/pyside,qtproject/pyside-pyside,RobinD42/pyside,RobinD42/pyside,enthought/pyside,qtproject/pyside-pyside,RobinD42/pyside,pankajp/pyside,BadSingleton/pyside2,pankajp/pyside,qtproject/pyside-pyside,PySide/PySide,gbaty/pyside2,RobinD42/pyside,gbaty/pyside2,PySide/PySide,gbaty/pyside2,pankajp/pyside