introduce a pytest_collect_metainfo hook

--HG--
branch : trunk

py/test/plugin/api.py

@@ -53,6 +53,11 @@ class PluginHooks:
         """ return custom item/collector for a python object in a module, or None.  """
     pytest_pycollect_obj.firstresult = True
 
+    def pytest_collect_metainfo(self, colitem):
+        """ return (fspath, lineno, name) for the colitem.
+            the information is used for result display and to sort tests
+        """
+
     def pytest_genfunc(self, funcspec):
         """ generate (multiple) parametrized calls to a test function."""