Add 'remote' command to replace 'remote_run'

unittests/remote_test.py

 #!/usr/bin/env python
 # Copyright 2016 The LUCI Authors. All rights reserved.
 # Use of this source code is governed under the Apache License, Version 2.0
 # that can be found in the LICENSE file.
 
 import subprocess
 import sys
 import unittest
 
 import repo_test_util
 
 
-class RemoteRunTest(repo_test_util.RepoTest):
-  def test_basic(self):
+class RemoteTest(repo_test_util.RepoTest):
+  def test_run(self):
     repos = self.repo_setup({'a': []})
     self.update_recipe_module(repos['a'], 'mod', {'foo': []})
     self.update_recipe(repos['a'], 'a_recipe', ['mod'], [('mod', 'foo')])
     subprocess.check_output([
         sys.executable, self._recipe_tool,
-        'remote_run',
+        'remote',
         '--repository', repos['a']['root'],
         '--',
+        'run',
         'a_recipe',
     ], stderr=subprocess.STDOUT)
 
 
 if __name__ == '__main__':
   sys.exit(unittest.main())