Toggle a multiple select option instead of setting it as selected when

chrome/test/webdriver/test/WEBDRIVER_TESTS

 # Copyright (c) 2011 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.
 #
 # This file lists the webdriver tests that run as a part of the functional test
 # suite.
 #
 # Tests can be enabled on a per-platform basis. Tests not listed here will
 # not be run.
 #
@@ skipping 14 matching lines @@
     'children_finding_tests',
     # Cookie tests try to set the domain explicitly to 'localhost', which
     # is not allowed.
     #'cookie_tests',
     'correct_event_firing_tests',
     'driver_element_finding_test',
     'element_attribute_tests',
     'executing_async_javascript_test',
     'executing_javascript_test',
     'form_handling_tests',
-    # crbug.com/90994.
-    '-form_handling_tests.FormHandlingTests.testTogglingAnOptionShouldToggleOptionsInAMultiSelect',
     'frame_switching_tests',
     # Test is asserting the wrong thing.
     '-frame_switching_tests.FrameSwitchingTest.testShouldReturnFrameTitleNotWindowTitle',
     'implicit_waits_tests',
     'page_loading_tests',
     # Flaky. crbug.com/77495.
     '-page_loading_tests.PageLoadingTests.testShouldBeAbleToNavigateBackInTheBrowserHistory',
     # Flaky. crbug.com/77495.
     '-page_loading_tests.PageLoadingTests.testShouldBeAbleToNavigateBackInTheBrowserHistoryInPresenceOfIframes',
     # Flaky. crbug.com/77495.
@@ skipping 23 matching lines @@
   ],
 
   'mac': [
     # See crbug.com/90519.
     '-alerts_tests.AlertsTest.testShouldAllowUsersToDismissAnAlertManually',
   ],
 
   'linux': [
   ],
 }