Method testMethod = lineageFindRelVisitorClass.getDeclaredMethod("haveIdenticalCasters",
FuncSpec.class,
FuncSpec.class);
testMethod.setAccessible(true);
LineageFindRelVisitor lineageFindRelVisitor = new LineageFindRelVisitor(lp);
FuncSpec defaultSpec = new FuncSpec("PigStorage", new String [0]);
// if either param is null, it should return false
Assert.assertFalse("null param should always return false",