View spec fix (#1888)

* Add option to disable verify partial doubles

* Add show_landing_strip? helper method

* Use show_landing_strip? helper in accounts and stream entries views

* Fix naming in view specs

app/helpers/application_helper.rb

@@ -4,4 +4,8 @@ module ApplicationHelper
   def active_nav_class(path)
     current_page?(path) ? 'active' : ''
   end
+
+  def show_landing_strip?
+    !user_signed_in? && !single_user_mode?
+  end
 end