[INTERNAL] sap.m.MultiInput: Test page enhancement
[INTERNAL] sap.m.MultiInput: Test page enhancement

Change-Id: I6902ca90a7a8c29e0b27cbf07c6b34c94306e46b
BCP: 1770616784
BCP: 1770616788

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