Fix broken htex start method tests (#2458)
Fix broken htex start method tests (#2458)

We had a bug in the testing script!

Co-authored-by: Ben Clifford <6e9c823d93e7dad5e7e2198704c60762764c20c1@hawaga.org.uk>
Parsl/parsl,Parsl/parsl,Parsl/parsl,Parsl/parsl