Disable flaky GuestModeOptionsUIBrowserTest

chrome/browser/ui/webui/options/chromeos/guest_mode_options_browsertest.js

Index: chrome/browser/ui/webui/options/chromeos/guest_mode_options_browsertest.js
diff --git a/chrome/browser/ui/webui/options/chromeos/guest_mode_options_browsertest.js b/chrome/browser/ui/webui/options/chromeos/guest_mode_options_browsertest.js
index 55a673e2b72e56d07f638668457a4b65446a0775..193e970ce563c32e531083421937aba1d28f0a65 100644
--- a/chrome/browser/ui/webui/options/chromeos/guest_mode_options_browsertest.js
+++ b/chrome/browser/ui/webui/options/chromeos/guest_mode_options_browsertest.js
@@ -41,8 +41,9 @@ GuestModeOptionsUIBrowserTest.prototype = {
 
 /**
  * Test sections that should be hidden in guest mode.
+ * TODO(michaelpg): Debug flakiness: crbug.com/591154.
  */
-TEST_F('GuestModeOptionsUIBrowserTest', 'testSections', function() {
+TEST_F('GuestModeOptionsUIBrowserTest', 'DISABLED_testSections', function() {
   this.expectHidden($('startup-section'));
   this.expectHidden($('appearance-section'));
   this.expectHidden($('andorid-apps-section'));
@@ -53,8 +54,9 @@ TEST_F('GuestModeOptionsUIBrowserTest', 'testSections', function() {
 
 /**
  * Test controls that should be disabled in guest mode.
+ * TODO(michaelpg): Debug flakiness: crbug.com/591154.
  */
-TEST_F('GuestModeOptionsUIBrowserTest', 'testControls', function() {
+TEST_F('GuestModeOptionsUIBrowserTest', 'DISABLED_testControls', function() {
   // Appearance section.
   var setWallpaper = $('set-wallpaper');
   expectTrue(setWallpaper.disabled);