[INTERNAL][FIX] sap.m.InputBase: qUnit execution in IE is fixed
[INTERNAL][FIX] sap.m.InputBase: qUnit execution in IE is fixed

 In IE innerText returns the nested child elements texts also. Others browsers ignore it. More info here:
 http://perfectionkills.com/the-poor-misunderstood-innerText/

Change-Id: If039184dc16098e3d93ead14547f527b687e698b
BCP: 1680181719

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