More refactoring ULS font selection tests

Change-Id: I6595e279657948265c45407be2c01a4587fdbc94

tests/browser/features/step_definitions/font_selection_steps.rb

@@ -9,3 +9,13 @@ end
 When(/^I open fonts panel of language settings$/) do
 	on(PanelPage).panel_fonts_element.click
 end
+
+Then(/^the active content font must be the same as font prior to the preview$/) do
+	on(PanelPage).get_content_font.should == @original_content_font
+end
+
+Then(/^the selected content font must be "(.*?)"$/) do |font|
+	step 'I open display settings'
+	step 'I open fonts panel of language settings'
+	on(PanelPage).selected_content_font.should == font
+end