Add druid tests [ci druid]

modules/drivers/druid/test/metabase/driver/druid_test.clj

@@ -198,7 +198,19 @@
 (expect-with-driver :druid
   [[0.951]]
   (druid-query-returning-rows
-    {:aggregation [[:share [:< $venue_price 4]]]}))
+   {:aggregation [[:share [:< $venue_price 4]]]}))
+
+;; count-where
+(expect-with-driver :druid
+  [[17.0]]
+  (druid-query-returning-rows
+   {:aggregation [[:count-where [:< $venue_price 4]]]}))
+
+;; sum-where
+(expect-with-driver :druid
+  [[179.0]]
+  (druid-query-returning-rows
+   {:aggregation [[:sum-where $venue_price [:< $venue_price 4]]]}))
 
 ;; post-aggregation math w/ 2 args: count + sum
 (expect-with-driver :druid