Reduce CI runtime

[shorowit]

Pull Request Description

Closes #1818. Reduces number of sample files with 1-minute timesteps to speed up CI jobs.

Checklist

Not all may apply:

• Schematron validator (EPvalidator.xml) has been updated
• Sample files have been added/updated (openstudio tasks.rb update_hpxmls)
• Tests have been added/updated (e.g., HPXMLtoOpenStudio/tests/test*.rb and/or workflow/tests/test*.rb)
• Documentation has been updated
• Changelog has been updated
• openstudio tasks.rb update_measures has been run
• No unexpected changes to simulation results of sample files

[shorowit]

@yzhou601 I took a cut at this. It reduced the CI runtime by 15 minutes.

[yzhou601]

@yzhou601 I took a cut at this. It reduced the CI runtime by 15 minutes.

Thanks for taking a first cut, it sounds promising! I'm good with the changes you made to test files, except one that I commented out.

[shorowit]

Thanks @yzhou601!