Combobox unit test: add test case for delayed List rendering. Refs #509
Combobox unit test: add test case for delayed List rendering. Refs #509

harbalk/deliteful,cjolif/deliteful,cjolif/deliteful,brunano21/deliteful,tkrugg/deliteful,kitsonk/deliteful,kitsonk/deliteful,harbalk/deliteful,brunano21/deliteful,EAlexRojas/deliteful,EAlexRojas/deliteful,tkrugg/deliteful