Disable SettingsA11yManagePasswords test for flakiness.

Bug: 872575
Change-Id: I5d94177e46ede0b1107da0a253ed58f450c2c7ff
No-Tree-Checks: true
Tbr: mgiuca@chromium.org
Reviewed-on: https://chromium-review.googlesource.com/1170161Reviewed-by: Matt Giuca <mgiuca@chromium.org>
Commit-Queue: Matt Giuca <mgiuca@chromium.org>
Cr-Commit-Position: refs/heads/master@{#582072}

chrome/test/data/webui/settings/a11y/passwords_a11y_test.js

@@ -25,7 +25,11 @@ SettingsA11yManagePasswords.prototype = {
   ]),
 };
 
-AccessibilityTest.define('SettingsA11yManagePasswords', {
+// Disabled for flake. https://crbug.com/872575. The only way I could find to
+// disable the test was to *not* call AccessibilityTest.define(), so this is
+// commented out.
+// AccessibilityTest.define('SettingsA11yManagePasswords', {
+DISABLED_SettingsA11yManagePasswords = {
   /** @override */
   name: 'MANAGE_PASSWORDS',
   /** @type {PasswordManager} */
@@ -104,4 +108,4 @@ AccessibilityTest.define('SettingsA11yManagePasswords', {
 
   /** @override */
   violationFilter: SettingsAccessibilityTest.violationFilter,
-});
+} /*)*/;