Update Travis check of unit tests to look for halted execution
Update Travis check of unit tests to look for halted execution

nsh87/receptormarker,daniel0128/receptormarker,catterbu/receptormarker,daniel0128/receptormarker,catterbu/receptormarker,daniel0128/receptormarker,nsh87/receptormarker,daniel0128/receptormarker,catterbu/receptormarker,daniel0128/receptormarker,daniel0128/receptormarker,nsh87/receptormarker,nsh87/receptormarker,catterbu/receptormarker,nsh87/receptormarker,daniel0128/receptormarker,catterbu/receptormarker