public function testPrologNode() { $el = new Message(); $el->setName('a'); $el->setValue('b'); $expected = '<a>b</a>'; $splittedXML = explode("\n", $this->sut->buildMessageWithProlog($el)); $this->assertEquals('<?xml version="1.0" encoding="UTF-8"?>', $splittedXML[0]); $this->assertEquals('<a>b</a>', $splittedXML[1]); }