Fix test_capi on macOS.

Author: serhiy-storchaka

Lib/test/test_capi/test_misc.py

@@ -307,7 +307,7 @@ def test_getitem_with_error(self):
                     CURRENT_THREAD_REGEX +
                     r'  File .*, line 6 in <module>\n'
                     r'\n'
-                    r'Extension modules: _testcapi \(total: 1\)\n')
+                    r'Extension modules: ')
         else:
             # Python built with NDEBUG macro defined:
             # test _Py_CheckFunctionResult() instead.