public void testFieldNameWithUnderscore() {
      final ParserContext parserContext = new ParserContext();
      parserContext.setStrictTypeEnforcement(true);
      parserContext.setStrongTyping(true);
      parserContext.addInput("this", Underscore.class);
      Underscore underscore = new Underscore();

      assertEquals(true, MVEL.executeExpression(MVEL.compileExpression("_id == \"test\"", parserContext), underscore));
  }