generate mains test methods according to file name

test/mains/helper.rb

@@ -5,16 +5,10 @@ module Mains
     include Risc::Ticker
     def setup;end
 
-    def run_main_file(file)
-      file_name = Dir["test/mains/source/#{file}*.rb"].first
-      assert file_name , "no file #{file_name}"
-      input = File.read(file_name)
-      basename = file_name.split("/").last.split(".").first
-      _ , stdout , exit_code = basename.split("_")
-      stdout = "" unless stdout
+    def run_main_check(input , stdout , exit_code)
       run_main(input)
-      assert_equal stdout , @interpreter.stdout , "Wrong stdout for #{file}"
-      assert_equal exit_code , get_return.to_s , "Wrong exit code for #{file}"
+      assert_equal stdout , @interpreter.stdout , "Wrong stdout"
+      assert_equal exit_code , get_return.to_s , "Wrong exit code"
     end
   end
 end