Bluz\Response\Response::setHeader PHP Method

    public function setHeader($header, $value)
    {
        $this->headers[$header] = (array) $value;
    }

 /**
  * @covers \Bluz\Response\Response::setHeader
  * @covers \Bluz\Response\Response::getHeader
  * @covers \Bluz\Response\Response::hasHeader
  */
 public function testSetGetHasHeader()
 {
     $this->response->setHeader('foo', 'bar');
     $this->assertTrue($this->response->hasHeader('foo'));
     $this->assertEquals('bar', $this->response->getHeader('foo'));
     $this->assertEmpty($this->response->getHeader('baz'));
 }