chromedriver: disable testWindowMaximize on bots

Bug: 867511
Change-Id: I893a4d7b56d0ba4a14f54bb2fa59c33b51283316
Reviewed-on: https://chromium-review.googlesource.com/1150097Reviewed-by: John Chen <johnchen@chromium.org>
Commit-Queue: Elly Fong-Jones <ellyjones@chromium.org>
Cr-Commit-Position: refs/heads/master@{#577963}

chrome/test/chromedriver/test/run_py_tests.py

@@ -138,6 +138,8 @@ _INTEGRATION_NEGATIVE_FILTER = [
     'ChromeDriverTest.testGetCurrentWindowHandle',
     'ChromeDriverTest.testStartStop',
     'ChromeDriverTest.testSendCommand*',
+    # https://crbug.com/867511
+    'ChromeDriverTest.testWindowMaximize',
     # LaunchApp is an obsolete API.
     'ChromeExtensionsCapabilityTest.testCanLaunchApp',
     # https://bugs.chromium.org/p/chromedriver/issues/detail?id=2278