[FIX] sap.m.MessageView: Test page adjusted
[FIX] sap.m.MessageView: Test page adjusted

Change-Id: I084590421afcbe2ddd9958029f3c3120609abee1
BCP: 1870292384

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