[FIX] MockServer: http request failed due to "cannot read property of undefined" for aDataSet
[FIX] MockServer: http request failed due to "cannot read property of undefined" for aDataSet

Change-Id: I15b30b4527aabc3f71f2b0aa2ebebdcd49717aba

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