added comparison tests to testCase_attribs
added comparison tests to testCase_attribs

currently, is a bug where an error is raised if an attribute compared to other
   non-attribute objects (such as transforms), instead of returning false

juggernate/pymel,shrtcww/pymel,juggernate/pymel,leonsooi/pymel,david-lassonde-adsk/pymel,assumptionsoup/pymel,shrtcww/pymel,AtonLerin/pymel,assumptionsoup/pymel,cgrebeld/pymel,AtonLerin/pymel,david-lassonde-adsk/pymel,leonsooi/pymel