oops. need to make sure drivers are loaded for unit tests.

test/metabase/test_setup.clj

@@ -6,6 +6,7 @@
             [expectations :refer :all]
             (metabase [core :as core]
                       [db :as db]
+                      [driver :as driver]
                       [util :as u])
             (metabase.models [setting :as setting]
                              [table :refer [Table]])
@@ -65,6 +66,10 @@
 
 ;; # ------------------------------ FUNCTIONS THAT GET RUN ON TEST SUITE START / STOP ------------------------------
 
+;; this is a little odd, but our normal `test-startup` function won't work for loading the drivers because
+;; they need to be loaded at compile time for some of the unit tests work work properly, so we put this here
+(defonce ^:private loaded-drivers (driver/find-and-load-drivers!))
+
 (defn- load-test-data!
   "Call `load-data!` on all the datasets we're testing against."
   []