Connection conn = ds.getConnection();
UnWrapper uw = DataSourceFinder.getUnWrapper(conn);
assertNotNull(uw);
assertTrue(uw.canUnwrap(conn));
Connection unwrapped = uw.unwrap(conn);
assertNotNull(unwrapped);
assertTrue(unwrapped instanceof org.h2.jdbc.JdbcConnection);
Statement st = conn.createStatement();
uw = DataSourceFinder.getUnWrapper(st);