update test_coverage_report script to ignore irrelevant files
update test_coverage_report script to ignore irrelevant files

jianajavier/pnc-cli,thauser/pnc-cli,janinko/pnc-cli,jianajavier/pnc-cli,thauser/pnc-cli,project-ncl/pnc-cli,janinko/pnc-cli,project-ncl/pnc-cli,jianajavier/pnc-cli,janinko/pnc-cli,project-ncl/pnc-cli,thauser/pnc-cli