Add new scenarios for font changes

There is currently some duplication between the various page objects
and other code. Those should be cleaned up incrementally.

Change-Id: I592829a00ca65bbecd5399b773c885c764c1cc06

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

@@ -0,0 +1,14 @@
+class ULSPage
+  include PageObject
+
+  include URL
+  page_url URL.url('?setlang=<%=params[:setlang]%>')
+
+	div(:panel_display, id: 'display-settings-block')
+	div(:panel_input, id: 'display-settings-block')
+	button(:panel_fonts, id: 'uls-display-settings-fonts-tab')
+	button(:panel_language, id: 'uls-display-settings-language-tab')
+
+	span(:panel_button_close, id: 'languagesettings-close')
+	button(:panel_button_display_apply, id: 'uls-displaysettings-apply')
+end

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

@@ -0,0 +1,7 @@
+class ResetPreferencesPage
+	include PageObject
+	include URL
+	page_url URL.url('Special:Preferences/reset')
+
+	button(:submit, class: 'mw-htmlform-submit')
+end