assertXmlEquals
fun assertXmlEquals(expected: String, actual: String, messageProvider: () -> String? = { null })(source)
fun assertXmlEquals(expected: XmlReader, actual: XmlReader, messageProvider: () -> String? = { null })(source)
fun assertXmlEquals(expectedEvent: XmlEvent, actualEvent: XmlEvent, messageProvider: () -> String? = { null })(source)