private static void AssertErrors(GroupBox groupBox, string hasError, IEnumerable <string> errors)
{
Assert.AreEqual(hasError, groupBox.GetByIndex <Label>(1).Text);
CollectionAssert.AreEqual(errors, groupBox.GetByText <GroupBox>("Errors").GetErrors());
CollectionAssert.AreEqual(errors, groupBox.GetByText <GroupBox>("Node").GetErrors());
}