bpo-44895: temporarily add a gc call to unbreak the built while we investigate the refleak

Author: iritkatriel

Lib/test/test_exceptions.py

@@ -1014,6 +1014,9 @@ def cycle():
 
     def test_no_hang_on_context_chain_cycle2(self):
         # See issue 25782. Cycle at head of context chain.
+        while gc.collect():
+            # Remove this once issue 44895 is resolved
+            pass
 
         class A(Exception):
             pass