/**
* Test for getHeader method. Validation for attempt to get not existing header
*
* @covers \Magento\Framework\App\Response\Http::getHeader
*/
public function testGetHeaderNotExists()
{
$cookieMock = $this->getMock('\\Magento\\Framework\\Stdlib\\Cookie', array(), array(), '', false);
$contextMock = $this->getMock('Magento\\Framework\\App\\Http\\Context', array(), array(), '', false);
$response = new \Magento\Framework\App\Response\Http($cookieMock, $contextMock);
$response->headersSentThrowsException = false;
$response->setHeader('Name', 'value', true);
$this->assertFalse($response->getHeader('Wrong name'));
}
