preload models in ci before the suite

the "slowest tests" are consistently inconsistent.
This loads the classes first so they show correctly now

spec/spec_helper.rb

@@ -107,7 +107,7 @@
   end
 
   if ENV["TRAVIS"] && ENV["TEST_SUITE"] == "vmdb"
-    config.after(:suite) do
+    config.before(:suite) do
       require Rails.root.join("spec/coverage_helper.rb")
     end
   end