Spec to ensure that the gsub is working properly

[Fixes #704]

core/spec/helpers/navigation_helper_spec.rb

@@ -0,0 +1,12 @@
+require 'spec_helper'
+
+describe Admin::NavigationHelper do
+  describe "#tab" do
+    context "creating an admin tab" do
+      it "should capitalize the first letter of each word in the tab's label" do
+        admin_tab = tab(:orders)
+        admin_tab.should include("Orders")
+      end
+    end
+  end
+end