Fix test for JSON parameter format (apparently JSON does not understand single quotes, so used double quotes instead).
Fix test for JSON parameter format (apparently JSON does not understand single quotes, so used double quotes instead).

babsey/sumatra,open-research/sumatra,maxalbert/sumatra,babsey/sumatra,babsey/sumatra,maxalbert/sumatra,dpad/sumatra,dpad/sumatra,babsey/sumatra,open-research/sumatra,dpad/sumatra,apdavison/sumatra,dpad/sumatra,apdavison/sumatra,maxalbert/sumatra,maxalbert/sumatra,open-research/sumatra,open-research/sumatra,open-research/sumatra,apdavison/sumatra,maxalbert/sumatra,babsey/sumatra,apdavison/sumatra,apdavison/sumatra,dpad/sumatra