1. Need to change the directory (fix default testing)
   https://github.com/ponder-lab/Java-8-Stream-Refactoring/blob/312334fe6047b09db40e5d551c7aff8861fe46eb/edu.cuny.hunter.streamrefactoring.core/src/edu/cuny/hunter/streamrefactoring/core/wala/EclipseProjectAnalysisEngine.java#L76-L85

https://github.com/ponder-lab/Java-8-Stream-Refactoring/blob/312334fe6047b09db40e5d551c7aff8861fe46eb/edu.cuny.hunter.streamrefactoring.tests/test%20cases/edu/cuny/hunter/streamrefactoring/ui/tests/ConvertStreamToParallelRefactoringTest.java#L95

2. The class cannot be found (fix Plug-in testing)
   This method returns null (It should have returned not null).

https://github.com/ponder-lab/WALA/blob/006cd5d2c636587807d41b5fc66841495b9d5d6e/com.ibm.wala.core/src/com/ibm/wala/ipa/cha/ClassHierarchy.java#L835