def setIcon(self):
        self.setWindowIcon(vistrails.gui.theme.CurrentTheme.APPLICATION_ICON)
CaseBlock index relationship should default to "child"
dataset/ETHPy150Open VisTrails/VisTrails/vistrails/gui/application.py/VistrailsApplicationSingleton.setIcon--crossover with--dataset/ETHPy150Open dimagi/commcare-hq/corehq/apps/app_manager/tests/test_extension_case.py/CaseBlockIndexRelationshipTest.test_xform_case_block_index_default_relationship