Enabling all tests.

regression.py

@@ -21,8 +21,7 @@ os.putenv("CLEANUP", "1")
 
 def get_tests():
     """Collect all Demo_... folders not excluded via 'NOTEST' """
-    # for folder in sorted(os.listdir(".")):
-    for folder in ["Demo_Ada_GUI", "Demo_PeekPoke_Linux"]: 
+    for folder in sorted(os.listdir(".")):
         if all([folder.startswith('Demo'),
                 not os.path.exists(folder + "/NOTEST")]):
             yield folder