@Test
  public void testValidateRequiredChildElementName() {
    Document document = DocumentHelper.createDocument();

    Element element = document.addElement("execute");

    element.addAttribute("function", "Click");
    element.addAttribute("locator1", "//here");

    Element childElement = element.addElement("var");

    childElement.addAttribute("name", "varName");
    childElement.addAttribute("value", "varValue");

    String requiredChildElementName = "var";

    PoshiRunnerValidation.validateRequiredChildElementName(
        element, requiredChildElementName, "ValidateRequiredChildElementName,macro");

    Assert.assertEquals("validateRequiredChildElementName is failing", "", getExceptionMessage());

    document = DocumentHelper.createDocument();

    element = document.addElement("execute");

    element.addAttribute("function", "Click");
    element.addAttribute("locator1", "//here");

    PoshiRunnerValidation.validateRequiredChildElementName(
        element, requiredChildElementName, "ValidateRequiredChildElementName,macro");

    Assert.assertEquals(
        "validateRequiredChildElementName is failing",
        "Missing required var child element",
        getExceptionMessage());
  }