Skip the test if a MySQL adapter configuration is unavailable.

Source

						public function skip() {
		$this->skipIf(!MySql::enabled(), 'MySQL Extension is not loaded');

		$this->_dbConfig = Connections::get('test', array('config' => true));
		$hasDb = (isset($this->_dbConfig['adapter']) && $this->_dbConfig['adapter'] == 'MySql');
		$message = 'Test database is either unavailable, or not using a MySQL adapter';
		$this->skipIf(!$hasDb, $message);

		$this->db = new MySql($this->_dbConfig);

		$lithium = LITHIUM_LIBRARY_PATH . '/lithium';
		$sqlFile = $lithium . '/tests/mocks/data/source/database/adapter/mysql_companies.sql';
		$sql = file_get_contents($sqlFile);
		$this->db->read($sql, array('return' => 'resource'));
	}