Change testing ProfileReporter's parent to Reporter

Author: fatkodima

railties/lib/minitest/rails_plugin.rb

@@ -25,7 +25,7 @@ def aggregated_results(*)
     end
   end
 
-  class ProfileReporter < StatisticsReporter
+  class ProfileReporter < Reporter
     def initialize(io = $stdout, options = {})
       super
       @results = []