example_failed (Spec::Runner::Reporter)

    # File lib/spec/runner/reporter.rb, line 39
          def example_failed(example, error)
            backtrace_tweaker.tweak_backtrace(error)
            failure = Failure.new(@example_group.description, example.description, error)
            @failures << failure
            formatters.each do |f|
              f.example_failed(example, @failures.length, failure)
            end
          end