added test for mariadb

.gitlab-ci.yml

@@ -41,6 +41,20 @@ test-store-mysql:
   script:
     - go test -v -cover ./store
 
+test-store-mariadb:
+  stage: test
+  services:
+    - mariadb:10.1
+  variables:
+    MYSQL_DATABASE: "tank"
+    MYSQL_USER: "tank"
+    MYSQL_PASSWORD: "aura"
+    MYSQL_ROOT_PASSWORD: "yes"
+    AURA_TANK_TEST_DB_TYPE: "mysql"
+    AURA_TANK_TEST_DB_HOST: "mariadb"
+  script:
+    - go test -v -cover ./store
+
 test-store-postgres:
   stage: test
   services: