Add jquery-select test helper to support non-css selectors
Add jquery-select test helper to support non-css selectors

Selectors like ":contains()" are not supported by the native
querySelector in the browser, and as a result also not supported
by ember's new test selectors

HospitalRun/hospitalrun-frontend,HospitalRun/hospitalrun-frontend,HospitalRun/hospitalrun-frontend,HospitalRun/hospitalrun-frontend