Don't rely on exact format of id function

Author: markshannon

Lib/test/test_gdb/test_backtrace.py

@@ -20,7 +20,7 @@ def test_bt(self):
         self.assertMultilineMatches(bt,
                                     r'''^.*
 Traceback \(most recent call first\):
-  <built-in method id of module object .*>
+  .*
   File ".*gdb_sample.py", line 10, in baz
     id\(42\)
   File ".*gdb_sample.py", line 7, in bar