public function testClearHeaderAndHeaderNotExists() { $response = $this->response = $this->getMock('Magento\\Framework\\HTTP\\PhpEnvironment\\Response', ['getHeaders', 'send']); $this->headers->addHeaderLine('Header-name: header-value'); $header = \Zend\Http\Header\GenericHeader::fromString('Header-name: header-value'); $this->headers->expects($this->once())->method('has')->with('Header-name')->will($this->returnValue(false)); $this->headers->expects($this->never())->method('get')->with('Header-name')->will($this->returnValue($header)); $this->headers->expects($this->never())->method('removeHeader')->with($header); $response->expects($this->once())->method('getHeaders')->will($this->returnValue($this->headers)); $response->clearHeader('Header-name'); }