Bluz\Response\Response::setHeaders PHP Method

    public function setHeaders(array $headers)
    {
        $this->headers = $headers;
    }

 /**
  * @covers \Bluz\Response\Response::setHeaders
  * @covers \Bluz\Response\Response::addHeaders
  * @covers \Bluz\Response\Response::getHeaders
  */
 public function testAddHeaders()
 {
     $this->response->setHeaders(['foo' => ['bar']]);
     $this->response->addHeaders(['foo' => ['baz'], 'baz' => ['qux']]);
     $this->assertEquals(2, sizeof($this->response->getHeaders()));
     $this->assertArrayHasKeyAndSize($this->response->getHeaders(), 'foo', 2);
 }