[recipes] Increase test coverage

infra/bots/recipe_modules/flavor/default_flavor.py

 # Copyright 2014 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.
 
 
 # pylint: disable=W0201
 
 
 """Default flavor utils class, used for desktop builders."""
 
@@ skipping 154 matching lines @@
 
   @property
   def out_dir(self):
     """Flavor-specific out directory."""
     return self.m.vars.skia_out.join(self.m.vars.configuration)
 
   def device_path_join(self, *args):
     """Like os.path.join(), but for paths on a connected device."""
     return self.m.path.join(*args)
 
-  def device_path_exists(self, path):  # pragma: no cover
-    """Like os.path.exists(), but for paths on a connected device."""
-    return self.m.path.exists(path, infra_step=True)
-
   def copy_directory_contents_to_device(self, host_dir, device_dir):
     """Like shutil.copytree(), but for copying to a connected device."""
     # For "normal" builders who don't have an attached device, we expect
     # host_dir and device_dir to be the same.
     if str(host_dir) != str(device_dir):
       raise ValueError('For builders who do not have attached devices, copying '
                        'from host to device is undefined and only allowed if '
                        'host_path and device_path are the same (%s vs %s).' % (
                        str(host_dir), str(device_dir)))  # pragma: no cover
 
@@ skipping 33 matching lines @@
         dm_dir=self.m.vars.dm_dir,
         perf_data_dir=self.m.vars.perf_data_dir,
         resource_dir=self.m.vars.resource_dir,
         images_dir=self.m.vars.images_dir,
         skp_dir=self.m.vars.local_skp_dir,
         tmp_dir=self.m.vars.tmp_dir)
 
   def cleanup_steps(self):
     """Run any device-specific cleanup steps."""
     pass
-
-  def __repr__(self):
-    return '<%s object>' % self.__class__.__name__  # pragma: no cover