Add tests for overridable operators that have default interpretations (__hash__ etc.), in static and dynamic classes, overridden and default.
Add tests for overridable operators that have default interpretations
(__hash__ etc.), in static and dynamic classes, overridden and
default.

sk-/python2.7-type-annotator,sk-/python2.7-type-annotator,sk-/python2.7-type-annotator