Revert "Bug 1038698 - Disable intermittent test_a11y_utility_tray_vis…

…ibility.py for TBPL"

This reverts commit 7e8c522.

tests/python/gaia-ui-tests/gaiatest/tests/tbpl-manifest.ini

@@ -24,15 +24,14 @@ b2g = true
 # Bug 1013970 -  test_a11y_unlock_to_homescreen fails on MacOS TBPL
 skip-if = os == "mac"
 disabled = Bug 1022132 Intermittent Failure on TBPL
+
 [accessibility/phone/test_a11y_phone_keypad.py]
 [accessibility/phone/test_a11y_phone_select_toolbars.py]
 [accessibility/settings/test_a11y_slider_visibility.py]
 [accessibility/system/test_a11y_notification_visibility.py]
 [accessibility/system/test_a11y_utility_tray_notifications.py]
 [accessibility/system/test_a11y_utility_tray_settings.py]
 [accessibility/system/test_a11y_utility_tray_visibility.py]
-# Bug 1038698 Intermittent failures on TBPL
-skip-if = os == "mac"
 [accessibility/system/test_a11y_volume_buttons.py]
 
 [functional/browser/test_browser_bookmark.py]