Skip mysql for rollback test: add-join-alias-to-visualization-settings-field-refs-test (#40505)

test/metabase/db/custom_migrations_test.clj

@@ -15,6 +15,7 @@
    [metabase.db :as mdb]
    [metabase.db.custom-migrations :as custom-migrations]
    [metabase.db.schema-migrations-test.impl :as impl]
+   [metabase.driver :as driver]
    [metabase.models :refer [User]]
    [metabase.models.database :as database]
    [metabase.models.interface :as mi]
@@ -286,14 +287,15 @@
                                     :where  [:= :id card-id]})
                      :visualization_settings
                      json/parse-string))))
-        (migrate! :down 46)
-        (testing "After reversing the migration, column_settings field refs are updated to remove join-alias"
-          (is (= visualization-settings
-                 (-> (t2/query-one {:select [:visualization_settings]
-                                    :from   [:report_card]
-                                    :where  [:= :id card-id]})
-                     :visualization_settings
-                     json/parse-string))))))))
+        (when (not= driver/*driver* :mysql) ; skipping MySQL because of rollback flakes (metabase#37434)
+          (migrate! :down 46)
+          (testing "After reversing the migration, column_settings field refs are updated to remove join-alias"
+            (is (= visualization-settings
+                   (-> (t2/query-one {:select [:visualization_settings]
+                                      :from   [:report_card]
+                                      :where  [:= :id card-id]})
+                       :visualization_settings
+                       json/parse-string)))))))))
 
 (deftest downgrade-dashboard-tabs-test
   (testing "Migrations v47.00-029: downgrade dashboard tab test"