Add MySQLMetricsTest (#1573)

Closes #1532

Signed-off-by: Thomas Segismont <tsegismont@gmail.com>

Author: tsegismont

vertx-mysql-client/src/test/java/io/vertx/tests/mysqlclient/tck/MySQLMetricsTest.java

@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2011-2021 Contributors to the Eclipse Foundation
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License 2.0 which is available at
+ * http://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
+ * which is available at https://www.apache.org/licenses/LICENSE-2.0.
+ *
+ * SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
+ */
+
+package io.vertx.tests.mysqlclient.tck;
+
+import io.vertx.mysqlclient.MySQLBuilder;
+import io.vertx.sqlclient.ClientBuilder;
+import io.vertx.sqlclient.Pool;
+import io.vertx.sqlclient.SqlConnectOptions;
+import io.vertx.tests.mysqlclient.junit.MySQLRule;
+import io.vertx.tests.sqlclient.tck.MetricsTestBase;
+import org.junit.ClassRule;
+
+public class MySQLMetricsTest extends MetricsTestBase {
+
+  @ClassRule
+  public static MySQLRule rule = MySQLRule.SHARED_INSTANCE;
+
+  @Override
+  protected SqlConnectOptions connectOptions() {
+    return rule.options();
+  }
+
+  @Override
+  protected ClientBuilder<Pool> poolBuilder() {
+    return MySQLBuilder.pool();
+  }
+
+  @Override
+  protected String statement(String... parts) {
+    return String.join("?", parts);
+  }
+}