CI: fix myslq.cni file init syntax

.github/actions/run-tests/action.yml

@@ -69,7 +69,8 @@ runs:
     - name: Verify MySQL settings before migrations
       if: ${{ inputs.testing-db == 'mysql' }}
       run: |
-        mysql -h 127.0.0.1 -u evennia -ppassword evennia -e "SELECT @@innodb_default_row_format as row_format;"
+        echo "Verifying MySQL server settings:"
+        mysql -u evennia -ppassword evennia -e "SELECT @@innodb_default_row_format as row_format, @@character_set_server as charset, @@collation_server as collation, @@innodb_large_prefix as large_prefix;"
       shell: bash
 
     - name: Run migrations

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

@@ -64,6 +64,9 @@ runs:
         GRANT SESSION_VARIABLES_ADMIN ON *.* TO 'evennia'@'::1';
         FLUSH PRIVILEGES;
         EOF
+        # Verify MySQL settings are applied correctly
+        echo "Verifying MySQL configuration:"
+        mysql -u root -proot_password -e "SELECT @@innodb_default_row_format as row_format, @@character_set_server as charset, @@collation_server as collation;" || true
       shell: bash
 
     # get logs from db start

.github/workflows/github_action_test_suite.yml

@@ -70,7 +70,8 @@ jobs:
             [mysqld]
             character-set-server=utf8mb4
             collation-server=utf8mb4_unicode_ci
-            innodb-default-row-format=DYNAMIC
+            innodb_default_row_format=DYNAMIC
+            innodb_large_prefix=ON
 
       - name: Set up database (mysql)
         uses: ./.github/actions/setup-database