[test] Verbose test runner output on windows.

tools/run-tests.py

 #!/usr/bin/env python
 #
 # 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
@@ skipping 522 matching lines @@
       timeout = 2 * TIMEOUT_DEFAULT;
     else:
       timeout = TIMEOUT_DEFAULT;
 
   timeout *= MODES[mode]["timeout_scalefactor"]
 
   if options.predictable:
     # Predictable mode is slower.
     timeout *= 2
 
+  # TODO(machenbach): Remove temporary verbose output on windows after
+  # debugging driver-hung-up on XP.
+  verbose_output = (
+      options.verbose or
+      utils.IsWindows() and options.progress == "verbose"
+  )
   ctx = context.Context(arch, MODES[mode]["execution_mode"], shell_dir,
-                        mode_flags, options.verbose,
+                        mode_flags, verbose_output,
                         timeout, options.isolates,
                         options.command_prefix,
                         options.extra_flags,
                         options.no_i18n,
                         options.random_seed,
                         options.no_sorting,
                         options.rerun_failures_count,
                         options.rerun_failures_max,
                         options.predictable,
                         options.no_harness)
@@ skipping 94 matching lines @@
   exit_code = runner.Run(options.j)
   overall_duration = time.time() - start_time
 
   if options.time:
     verbose.PrintTestDurations(suites, overall_duration)
   return exit_code
 
 
 if __name__ == "__main__":
   sys.exit(Main())