getMockBuilder(AbstractElement::class) ->disableOriginalConstructor() ->addMethods(['getLabel']) ->onlyMethods(['getHtmlId']) ->getMock(); $elementMock->expects($this->any())->method('getHtmlId')->willReturn($htmlId); $elementMock->expects($this->any())->method('getLabel')->willReturn($label); $objectManager = new ObjectManager($this); $heading = $objectManager->getObject(Heading::class, []); $html = $heading->render($elementMock); $this->assertEquals( '' . '' . '

' . $label . '

' . '' . '', $html ); } }