Specs should activate a metric and rescue failures
Specs should activate a metric and rescue failures

If we only check for enabled/activated, RailsBestPractices won't be
loaded, but if we 'activate' it, it will crash on Rubies that do
not have Ripper.

The solution is to attempt to activate it, and interpret an exception
as a failed activation

metricfu/metric_fu,metricfu/metric_fu,metricfu/metric_fu