diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 54b5952a3d..6a7a470f65 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -42,6 +42,9 @@ jobs:
 #                      db: "postgres:13"
 #                    - php: '7.1'
 #                      db: "sqlite3"
+                    - php: '7.1'
+                      db: "mysql:5.6"
+                      SLOWTESTS: 1
 #                    - php: '7.1'
 #                      db: "mysql:5.6"
 #                      MYISAM: 1