Fix moving saved searches tests.

4) Failure:
TagAliasTest#test_: A tag alias should move saved searches. [/home/danbooru/src/danbooru/test/unit/tag_alias_test.rb:80]:
Expected: "123 bbb 456"
  Actual: "123 ... 456"

 36) Failure:
Moderator::TagBatchChangeTest#test_: a tag batch change should move saved searches. [/home/danbooru/src/danbooru/test/unit/moderator/tag_batch_change_test.rb:40]:
Expected: "123 456 bbb"
  Actual: "123 ... 456"

test/unit/moderator/tag_batch_change_test.rb

@@ -8,8 +8,6 @@ module Moderator
     def setup
       super
       mock_saved_search_service!
-      Danbooru.config.stubs(:listbooru_auth_key).returns("blahblahblah")
-      Danbooru.config.stubs(:listbooru_server).returns("http://localhost:3001")
     end
 
     context "a tag batch change" do