Fix asyncio unittests in debug mode

Lib/asyncio/coroutines.py

@@ -252,6 +252,8 @@ def _format_coroutine(coro):
     if isinstance(coro, CoroWrapper):
         func = coro.func
         coro_name = coro.__qualname__
+        if coro_name is not None:
+            coro_name = '{}()'.format(coro_name)
     else:
         func = coro
 

Lib/test/test_asyncio/test_pep492.py

@@ -142,7 +142,7 @@ class CoroutineTests(BaseTest):
             foo_coro = foo()
             self.assertRegex(
                 repr(foo_coro),
-                r'<CoroWrapper .*\.foo running at .*pep492.*>')
+                r'<CoroWrapper .*\.foo\(\) running at .*pep492.*>')
 
             with support.check_warnings((r'.*foo.*was never',
                                          RuntimeWarning)):