Ensure that the http tests are always run first since they

webkit/tools/layout_tests/run_webkit_tests.py

 #!/bin/env python
 # Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Run layout tests using the test_shell.
 
 This is a port of the existing webkit test script run-webkit-tests.
 
 The TestRunner class runs a series of tests (TestType interface) against a set
@@ skipping 336 matching lines @@
     # tests get run first in order to maximize parallelization. Number of tests
     # is a good enough, but not perfect, approximation of how long that set of
     # tests will take to run. We can't just use a PriorityQueue until we move
     # to Python 2.6.
     test_lists = []
     for directory in tests_by_dir:
       test_list = tests_by_dir[directory]
       # Keep the tests in alphabetical order.
       # TODO: Remove once tests are fixed so they can be run in any order.
       test_list.reverse()
-      test_lists.append((directory, test_list))
+      test_list_tuple = (directory, test_list)
+      if directory == 'LayoutTests' + os.sep + 'http':
+        http_tests = test_list_tuple
+      else:
+        test_lists.append(test_list_tuple)
     test_lists.sort(lambda a, b: cmp(len(b), len(a)))
 
+    # Put the http tests first. There are only a couple hundred of them, but
+    # each http test takes a very long time to run, so sorting by the number
+    # of tests doesn't accurately capture how long they take to run.
+    test_lists.insert(0, http_tests)
+
     filename_queue = Queue.Queue()
     for item in test_lists:
       filename_queue.put(item)
     return filename_queue
 
   def _GetTestShellArgs(self, index):
     """Returns the tuple of arguments for tests and for test_shell."""
     shell_args = []
     test_args = test_type_base.TestArguments()
     if not self._options.no_pixel_tests:
@@ skipping 581 matching lines @@
   option_parser.add_option("", "--run-part",
                            default=None,
                            help=("Run a specified part (n:m), the nth of m"
                                  " parts, of the layout tests"))
   option_parser.add_option("", "--batch-size",
                            default=None,
                            help=("Run a the tests in batches (n), after every "
                                  "n tests, the test shell is relaunched."))
   options, args = option_parser.parse_args()
   main(options, args)