fixes CI

.github/workflows/ci.yml

@@ -83,7 +83,7 @@ jobs:
 
       - name: Setup MySQL 5.7
         if: matrix.db-type == 'mysql:5.7'
-        run: docker run --rm --name=mysqld -e MYSQL_ROOT_PASSWORD=root -e MYSQL_DATABASE=cakephp_test -p 3306:3306 -d mysql:5.7 --default-authentication-plugin=mysql_native_password --disable-log-bin
+        run: docker run --rm --name=mysqld -e MYSQL_ROOT_PASSWORD=root -e MYSQL_DATABASE=cakephp_test -p 3306:3306 -d mysql:5.7 --character-set-server=utf8 --default-authentication-plugin=mysql_native_password --disable-log-bin
 
       - uses: actions/checkout@v1
         with:
@@ -140,8 +140,8 @@ jobs:
           MEMCACHED_PORT: ${{ job.services.memcached.ports['11211'] }}
         run: |
           if [[ ${{ matrix.db-type }} == 'sqlite' ]]; then export DB_URL='sqlite:///:memory:'; fi
-          if [[ ${{ matrix.db-type }} == 'mysql' ]]; then export DB_DSN='mysql://root:[email protected]/cakephp_test?encoding=utf8mb4&init[]=SET sql_mode = "STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION"'; fi
-          if [[ ${{ matrix.db-type }} == 'mysql:5.7' ]]; then export DB_DSN='mysql://root:[email protected]/cakephp_test?encoding=utf8mb4&init[]=SET sql_mode = "STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION"'; fi
+          if [[ ${{ matrix.db-type }} == 'mysql' ]]; then export DB_DSN='mysql://root:[email protected]/cakephp_test?encoding=utf8mb4&init[]=SET sql_mode = "STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_ENGINE_SUBSTITUTION"'; fi
+          if [[ ${{ matrix.db-type }} == 'mysql:5.7' ]]; then export DB_DSN='mysql://root:[email protected]/cakephp_test?encoding=utf8mb4&init[]=SET sql_mode = "STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_ENGINE_SUBSTITUTION"'; fi
 
           if [[ ${{ matrix.coverage }} == 'coverage' ]]; then
             export CODECOVERAGE=1 && vendor/bin/phpunit --stderr --verbose --coverage-clover=coverage.xml