CI build: Different mysql testing db

.github/actions/setup-database/action.yml

@@ -48,7 +48,7 @@ runs:
         # collation server: "utf8mb4_unicode_ci"
         character set server: "utf8"
         collation server: "utf8_general_ci"
-        mysql database: "evennia"
+        mysql database: "testdb"
         mysql user: "evennia"
         mysql password: "password"
         mysql root password: root_password

.github/workflows/mysql_settings.py

@@ -50,6 +50,13 @@ DATABASES = {
             "charset": "utf8mb4",
             "init_command": "set collation_connection=utf8mb4_unicode_ci",
         },
+        "TEST": {
+            "NAME": "testdb",
+            "OPTIONS": {
+                "charset": "utf8mb4",
+                "init_command": "set collation_connection=utf8mb4_unicode_ci",
+            },
+        },
     }
 }