[recipes] Increase test coverage

infra/bots/recipe_modules/flavor/api.py

 # Copyright 2016 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
 
 
 from recipe_engine import recipe_api
 
@@ skipping 84 matching lines @@
   def copy_extra_build_products(self, swarming_out_dir):
     return self._f.copy_extra_build_products(swarming_out_dir)
 
   @property
   def out_dir(self):
     return self._f.out_dir
 
   def device_path_join(self, *args):
     return self._f.device_path_join(*args)
 
-  def device_path_exists(self, path):
-    return self._f.device_path_exists(path)  # pragma: no cover
-
   def copy_directory_contents_to_device(self, host_dir, device_dir):
     return self._f.copy_directory_contents_to_device(host_dir, device_dir)
 
   def copy_directory_contents_to_host(self, device_dir, host_dir):
     return self._f.copy_directory_contents_to_host(device_dir, host_dir)
 
   def copy_file_to_device(self, host_path, device_path):
     return self._f.copy_file_to_device(host_path, device_path)
 
   def create_clean_host_dir(self, path):
@@ skipping 89 matching lines @@
         version,
         VERSION_FILE_SKP,
         self.m.vars.tmp_dir,
         self.m.vars.local_skp_dir,
         self.device_dirs.skp_dir,
         test_expected_version=self.m.properties.get(
             'test_downloaded_skp_version', TEST_EXPECTED_SKP_VERSION),
         test_actual_version=self.m.properties.get(
             'test_downloaded_skp_version', TEST_EXPECTED_SKP_VERSION))
     return version