[INTERNAL][FIX] sap.m.MaskInput: QUnit tests for Webkit browsers corrected
[INTERNAL][FIX] sap.m.MaskInput: QUnit tests for Webkit browsers corrected

Change-Id: I3937001d3d111087d9e0940e669672f125956c6b
BCP: 1670124807

nzamani/openui5,SQCLabs/openui5,olirogers/openui5,SAP/openui5,nzamani/openui5,SAP/openui5,cschuff/openui5,SQCLabs/openui5,olirogers/openui5,SAP/openui5,SQCLabs/openui5,cschuff/openui5,SAP/openui5,nzamani/openui5,olirogers/openui5,cschuff/openui5