assertNotNull( andNode );
List<ExprNode> andNodes = andNode.getChildren();
assertEquals( 2, andNodes.size() );
SubstringNode substringNode = ( SubstringNode ) andNodes.get( 0 );
assertNotNull( substringNode );
assertEquals( "pgpuserid", substringNode.getAttribute() );
assertEquals( "vgjokjev@netcetera.com.mk", substringNode.getInitial() );
assertEquals( 0, substringNode.getAny().size() );
assertEquals( null, substringNode.getFinal() );
EqualityNode<?> equalityNode = ( EqualityNode<?> ) andNodes.get( 1 );
assertNotNull( equalityNode );
assertEquals( "pgpdisabled", equalityNode.getAttribute() );