[FIX] sap.m.ActionSelect: QUnit tests adjusted
[FIX] sap.m.ActionSelect: QUnit tests adjusted

Recent accessibility changes in sap.m.Select demand a change
in ActionSelect qUnit tests

Change-Id: I1deb824fe80a5f885c50339b868abc9ee6ab2144

SAP/openui5,cschuff/openui5,cschuff/openui5,SAP/openui5,SAP/openui5,SAP/openui5,cschuff/openui5