@Test
public void testGetConnector() {

	assertSame(connectorA, connectorService.getConnector(JdbcConnector.class, "a"));
	assertSame(connectorB, connectorService.getConnector(JdbcConnector.class, "b"));
	assertSame(connectorA, connectorService.getConnector(JdbcConnector.class, "a"));
	assertSame(connectorB, connectorService.getConnector(JdbcConnector.class, "b"));
}