Count test totals correctly for dashboards (#280)
* Account test totals correctly for dashboards
* Add blurb to the dev guide on skipping tests
* Remove extra newline
* Default to 0 if "skipped" isn't found
Co-authored-by: Mathew Odden <1471252+mrodden@users.noreply.github.com>
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Co-authored-by: Mathew Odden <1471252+mrodden@users.noreply.github.com>