test/class-super: Expose super() breakage.

tests/basics/class-super.py

@@ -1,7 +1,10 @@
 class Base:
 
+    def __init__(self):
+        self.a = 1
+
     def meth(self):
-        print("in Base meth")
+        print("in Base meth", self.a)
 
 class Sub(Base):