Directly alias orig_run_suite

tool/lib/test/unit.rb

@@ -1514,7 +1514,7 @@ module Test
         @@installed_at_exit = true
       end
 
-      alias mini_run_suite _run_suite
+      alias orig_run_suite _run_suite
 
       # Overriding of Test::Unit::Runner#puke
       def puke klass, meth, e

tool/lib/test/unit/parallel.rb

@@ -15,7 +15,6 @@ module Test
         undef autorun
       end
 
-      alias orig_run_suite mini_run_suite
       undef _run_suite
       undef _run_suites
       undef run