Add regression test for no-member of properties. Close #844

tests/functional/r/regression_property_no_member_844.py

@@ -0,0 +1,18 @@
+# pylint: disable=missing-docstring,too-few-public-methods,invalid-overridden-method
+# https://github.com/PyCQA/pylint/issues/844
+class Parent:
+    def __init__(self):
+        self.__thing = 'foo'
+
+    @property
+    def thing(self):
+        return self.__thing
+
+
+class Child(Parent):
+    @Parent.thing.getter
+    def thing(self):
+        return super(Child, self).thing + '!'
+
+
+print(Child().thing)