Fix test suite to not activate new sigint behavior in pdb.
diff --git a/Lib/test/test_zipimport_support.py b/Lib/test/test_zipimport_support.py
index b996e26..b935b3f 100644
--- a/Lib/test/test_zipimport_support.py
+++ b/Lib/test/test_zipimport_support.py
@@ -200,7 +200,7 @@
                         pass
 
                     import pdb
-                    pdb.runcall(f)
+                    pdb.Pdb(nosigint=True).runcall(f)
                     """)
         with temp_dir() as d:
             script_name = make_script(d, 'script', test_src)