Telemetry: Print the sorted benchmark list when running run_benchmark.

tools/telemetry/telemetry/benchmark_runner_unittest.py

 # Copyright 2015 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.
 
 import unittest
 
 from telemetry import benchmark
 from telemetry import benchmark_runner
 from telemetry.testing import stream
 import mock
@@ skipping 22 matching lines @@
 
 class BenchmarkRunnerUnittest(unittest.TestCase):
   def setUp(self):
     self._stream = stream.TestOutputStream()
     self._mock_possible_browser = mock.MagicMock()
     self._mock_possible_browser.browser_type = 'TestBrowser'
 
   def testPrintBenchmarkListWithNoDisabledBenchmark(self):
     expected_printed_stream = (
         'Available benchmarks for TestBrowser are:\n'
+        '  BarBenchmarkkkkk  Benchmark Bar for testing long description line.\n'
         '  FooBenchmark      Benchmark Foo for testing.\n'
-        '  BarBenchmarkkkkk  Benchmark Bar for testing long description line.\n'
         'Pass --browser to list benchmarks for another browser.\n\n')
     with mock.patch('telemetry.benchmark_runner.decorators') as mock_module:
       mock_module.IsEnabled.return_value = (True, None)
       benchmark_runner.PrintBenchmarkList(
         [BenchmarkFoo, BenchmarkBar], self._mock_possible_browser, self._stream)
       self.assertEquals(expected_printed_stream, self._stream.output_data)
 
   def testPrintBenchmarkListWithOneDisabledBenchmark(self):
     expected_printed_stream = (
         'Available benchmarks for TestBrowser are:\n'
@@ skipping 36 matching lines @@
     expected_printed_stream = (
         # Expected output for 'TestBrowser':
         'Available benchmarks for TestBrowser are:\n'
         '  FooBenchmark      Benchmark Foo for testing.\n'
         '\n'
         'Disabled benchmarks for TestBrowser are (force run with -d):\n'
         '  BarBenchmarkkkkk  Benchmark Bar for testing long description line.\n'
         'Pass --browser to list benchmarks for another browser.\n\n'
         # Expected output for 'MockBrowser':
         'Available benchmarks for MockBrowser are:\n'
+        '  BarBenchmarkkkkk  Benchmark Bar for testing long description line.\n'
         '  FooBenchmark      Benchmark Foo for testing.\n'
-        '  BarBenchmarkkkkk  Benchmark Bar for testing long description line.\n'
         'Pass --browser to list benchmarks for another browser.\n\n')
     @classmethod
     def FakeShouldDisable(cls, possible_browser):
       return cls is BenchmarkBar and not 'Mock' in possible_browser.browser_type
     BenchmarkFoo.ShouldDisable = FakeShouldDisable
     BenchmarkBar.ShouldDisable = FakeShouldDisable
     benchmark_runner.PrintBenchmarkList(
       [BenchmarkFoo, BenchmarkBar], self._mock_possible_browser, self._stream)
     self._mock_possible_browser.browser_type = 'MockBrowser'
     benchmark_runner.PrintBenchmarkList(
       [BenchmarkFoo, BenchmarkBar], self._mock_possible_browser, self._stream)
     self.assertEquals(expected_printed_stream, self._stream.output_data)