Use tools/run-tests.py for "check" targets in the top-level Makefile.

tools/testrunner/local/progress.py

 # Copyright 2012 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 #       copyright notice, this list of conditions and the following
 #       disclaimer in the documentation and/or other materials provided
@@ skipping 134 matching lines @@
   """Abstract base class for {Color,Monochrome}ProgressIndicator"""
 
   def __init__(self, templates):
     super(CompactProgressIndicator, self).__init__()
     self.templates = templates
     self.last_status_length = 0
     self.start_time = time.time()
 
   def Done(self):
     self.PrintProgress('Done')
+    print ""  # Line break.
 
   def AboutToRun(self, test):
     self.PrintProgress(test.GetLabel())
 
   def HasRun(self, test):
     if test.suite.HasUnexpectedOutput(test):
       self.ClearLine(self.last_status_length)
       self.PrintFailureHeader(test)
       stdout = test.output.stdout.strip()
       if len(stdout):
@@ skipping 63 matching lines @@
   def ClearLine(self, last_line_length):
     print ("\r" + (" " * last_line_length) + "\r"),
 
 
 PROGRESS_INDICATORS = {
   'verbose': VerboseProgressIndicator,
   'dots': DotsProgressIndicator,
   'color': ColorProgressIndicator,
   'mono': MonochromeProgressIndicator
 }