Fix another test to deal with changed default site.

Author: tjgrathwell

spec/app_spec.rb

@@ -56,7 +56,7 @@ def get! *args
   end
 
   it "has a default site" do
-    assert { true_app.default_site == "installfest" }
+    assert { true_app.default_site == "docs" }
   end
 
   describe "settings" do