alias function keywords to funcarg request keywords

--HG--
branch : trunk

pytest/plugin/python.py

@@ -536,6 +536,7 @@ class FuncargRequest:
     def __init__(self, pyfuncitem):
         self._pyfuncitem = pyfuncitem
         self.function = pyfuncitem.obj
+        self.keywords = pyfuncitem.keywords
         self.module = pyfuncitem.getparent(pytest.collect.Module).obj
         clscol = pyfuncitem.getparent(pytest.collect.Class)
         self.cls = clscol and clscol.obj or None

testing/plugin/test_python.py

@@ -562,6 +562,7 @@ class TestRequest:
         """)
         req = funcargs.FuncargRequest(item)
         assert req.function == item.obj
+        assert req.keywords is item.keywords
         assert hasattr(req.module, 'test_func')
         assert req.cls is None
         assert req.function.__name__ == "test_func"