def run(situation)
        result = super
        situation.verify
        result
      rescue ::RR::Errors::RRError => e
        result.first == :pass ? [:fail, e.message.gsub(/\n/, " ")] : result
      ensure
        situation.reset
      end
Adds RR support to {Riot::Assertion#run}. The basic flow is to:
* run the test as normal
* ask RR to verify mock results
* report any errors or return the result of the assertion as normal
* reset RR so that the next assertion in the context can be verified cleanly.

@param (see Riot::Assertion#run)
@return (see Riot::Assertion#run)