[sheriff] Disabling ChromeDriverTest.testGoBackAndGoForward on Linux and Mac

TBR=lanwei@chromium.org

Bug: 999261
Change-Id: Ide11dca175c8dc96fdd279294b2e39171065ab20
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1789232Reviewed-by: Olga Sharonova <olka@chromium.org>
Commit-Queue: Olga Sharonova <olka@chromium.org>
Cr-Commit-Position: refs/heads/master@{#694219}

chrome/test/chromedriver/test/run_py_tests.py

@@ -105,6 +105,8 @@ _OS_SPECIFIC_FILTER['win'] = [
 _OS_SPECIFIC_FILTER['linux'] = [
     # https://bugs.chromium.org/p/chromium/issues/detail?id=1000530
     'ChromeDriverTest.testActionsMouseMove',
+    # https://bugs.chromium.org/p/chromium/issues/detail?id=999261
+    'ChromeDriverTest.testGoBackAndGoForward',
 ]
 _OS_SPECIFIC_FILTER['mac'] = [
     # https://bugs.chromium.org/p/chromedriver/issues/detail?id=1927
@@ -116,6 +118,8 @@ _OS_SPECIFIC_FILTER['mac'] = [
     'ChromeDownloadDirTest.testFileDownloadWithGetHeadless',
     # https://bugs.chromium.org/p/chromium/issues/detail?id=1000530
     'ChromeDriverTest.testActionsMouseMove',
+    # https://bugs.chromium.org/p/chromium/issues/detail?id=999261
+    'ChromeDriverTest.testGoBackAndGoForward',
 ]
 
 _DESKTOP_NEGATIVE_FILTER = [