[Telemetry] Move discover to common/py_utils

common/py_utils/py_utils/discover_unittest.py

 # Copyright 2013 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 os
 import unittest
 
-from telemetry.core import discover
-from telemetry.core import util
+from py_utils import discover
 
 
 class DiscoverTest(unittest.TestCase):
 
   def setUp(self):
-    self._base_dir = util.GetUnittestDataDir()
+    self._base_dir = os.path.join(os.path.dirname(__file__), 'test_data')
     self._start_dir = os.path.join(self._base_dir, 'discoverable_classes')
     self._base_class = Exception
 
   def testDiscoverClassesWithIndexByModuleName(self):
     classes = discover.DiscoverClasses(self._start_dir,
                                        self._base_dir,
                                        self._base_class,
                                        index_by_class_name=False)
 
     actual_classes = dict((name, cls.__name__)
@@ skipping 113 matching lines @@
     self.assertTrue(discover.IsDirectlyConstructable(ClassWithoutInitDefOne))
     self.assertTrue(discover.IsDirectlyConstructable(ClassWithoutInitDefTwo))
     self.assertTrue(discover.IsDirectlyConstructable(ClassWhoseInitOnlyHasSelf))
     self.assertTrue(
         discover.IsDirectlyConstructable(ClassWhoseInitWithDefaultArguments))
 
   def testIsDirectlyConstructableReturnsFalse(self):
     self.assertFalse(
         discover.IsDirectlyConstructable(
             ClassWhoseInitWithDefaultArgumentsAndNonDefaultArguments))