entry.add( "userCertificate;binary", Strings.getBytesUtf8( "secret" ) );
assertTrue( entry.containsAttribute( "userCertificate;binary" ) );
assertTrue( entry.containsAttribute( "userCertificate" ) );
entry.removeAttributes( "userCertificate;binary" );
assertFalse( entry.containsAttribute( "userCertificate;binary" ) );
assertFalse( entry.containsAttribute( "userCertificate" ) );
entry.add( "userCertificate", Strings.getBytesUtf8( "secret" ) );
assertTrue( entry.containsAttribute( "userCertificate;binary" ) );