assertEquals( 2, nbAdded );
assertFalse( attr4.isHumanReadable() );
assertTrue( attr4.contains( BYTES1 ) );
assertTrue( attr4.contains( BYTES2 ) );
attr4.clear();
nbAdded = attr4.add( BYTES3, BYTES4 );
assertEquals( 2, nbAdded );
assertFalse( attr4.isHumanReadable() );
assertTrue( attr4.contains( BYTES3 ) );
assertTrue( attr4.contains( BYTES4 ) );