Make SkipCase exception available to all drivers

Change-Id: I77bc68910e73882f1ed907e3e42970881f8e3b17
diff --git a/TestON/core/teston.py b/TestON/core/teston.py
index 5653ffe..c27388c 100644
--- a/TestON/core/teston.py
+++ b/TestON/core/teston.py
@@ -74,6 +74,7 @@
         __builtin__.main = self
         __builtin__.path = path
         __builtin__.utilities = Utilities()
+        __builtin__.SkipCase = SkipCase
         self.TRUE = 1
         self.FALSE = 0
         self.ERROR = -1