@Test
public void formatPattern_2_triples() {

    BasicPattern basicPattern = new BasicPattern() ;
    basicPattern.add(getTriple()) ;
    basicPattern.add(getTriple2()) ;
    ByteArrayOutputStream os = new ByteArrayOutputStream() ;
    try(IndentedWriter iw = new IndentedWriter(os)) {
        SerializationContext sc = new SerializationContext() ;
        FmtUtils.formatPattern(iw, basicPattern, sc) ;
    }
    assertEquals("<n1> <n2> \"l3\" .\n" + "<nb1> <nb2> \"lb3\" .", new String(os.toByteArray())) ;
}