Remove use of search API; effectively remove support to search for task by name.

appengine/swarming/server/task_result_test.py

 #!/usr/bin/env python
 # Copyright 2014 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 datetime
 import logging
 import os
 import random
 import sys
@@ skipping 500 matching lines @@
     ndb.transaction(lambda: ndb.put_multi((run_result, result_summary)))
     run_result = run_result.key.get()
     result_summary = result_summary.key.get()
     self.assertEqual(True, run_result.failure)
     self.assertEqual(True, result_summary.failure)
 
   def test_performance_stats_pre_put_hook(self):
     with self.assertRaises(datastore_errors.BadValueError):
       task_result.PerformanceStats().put()
 
-  def test_get_tasks(self):
-    # Indirectly tested by both frontend and API.
-    pass
-
   def test_get_result_summaries_query(self):
     # Indirectly tested by API.
     pass
 
   def test_get_run_results_query(self):
     # Indirectly tested by API.
     pass
 
 
 class TestOutput(TestCase):
@@ skipping 144 matching lines @@
         task_result.TaskOutput.CHUNK_SIZE * '\x00' + 'Baz\x00Bar\x00FooWow',
         self.run_result.get_output())
     self.assertTaskOutputChunk(
         [{'chunk': 'Baz\x00Bar\x00FooWow', 'gaps': [3, 4, 7, 8]}])
 
 
 if __name__ == '__main__':
   if '-v' in sys.argv:
     unittest.TestCase.maxDiff = None
   unittest.main()