Refactor "Open language selector when logged in"

Removed tags @uls-in-sidebar-only and @uls-in-personal-only.
We will figure out a better solution.

Alterted the test so that it catches if the language selector is
not visible in the viewport to catch regressions like bug 56937.

Bug: 56937
Change-Id: Ie8a37bf4f38e9c82e0c14736f2bc29e8ec1331ff

tests/browser/features/step_definitions/triggers_steps.rb

@@ -1,7 +1,10 @@
 When(/^I click language selector trigger element$/) do
-	on(RandomPage).uls_trigger
+	on(PanelPage).trigger_personal
 end
 
 Then(/^I should see the language selector$/) do
-	on(PanelPage).uls_element.should be_visible
+	on(PanelPage) do |page|
+		page.uls_element.should be_visible
+		page.uls_onscreen?.should be_true
+	end
 end