Make more tests pass in sandbox.translatewiki.net

* When ULS is in personal, cancel opens the language selector
  again but apply doesn't.
* Created separate steps for testing the ULS trigger in personal
  position, different behavior with different configuration.

Change-Id: Ifb7f101f2bfacd32c11cba69e7f2c01fe9bd9bb7

tests/browser/features/support/pages/panel_page.rb

@@ -4,6 +4,9 @@ class ULSPage
 	include URL
 	page_url URL.url('?<%=params[:extra]%>')
 
+	div(:uls, class: 'uls-menu')
+	span(:uls_button_close, id: 'uls-close')
+
 	div(:panel_display, id: 'display-settings-block')
 	div(:panel_input, id: 'input-settings-block')
 	button(:panel_fonts, id: 'uls-display-settings-fonts-tab')