test/connections/databases.ci.yml in composite_primary_keys-11.3.1 vs test/connections/databases.ci.yml in composite_primary_keys-12.0.0.rc1

@@ -1,8 +1,11 @@
 mysql:
   adapter: mysql2
   username: travis
   password: ""
+  encoding: utf8mb4
+  charset: utf8mb4
+  collation: utf8mb4_bin
   database: composite_primary_keys_unittest
 
 postgresql:
   adapter: postgresql
   database: composite_primary_keys_unittest