GuzzleHttp\Tests\RedirectMiddlewareTest::testDoesNotAddRefererWhenGoingFromHttpsToHttp PHP Method

    public function testDoesNotAddRefererWhenGoingFromHttpsToHttp()
    {
        $mock = new MockHandler([new Response(302, ['Location' => 'http://test.com']), new Response(200)]);
        $stack = new HandlerStack($mock);
        $stack->push(Middleware::redirect());
        $handler = $stack->resolve();
        $request = new Request('GET', 'https://example.com?a=b');
        $promise = $handler($request, ['allow_redirects' => ['max' => 2, 'referer' => true]]);
        $promise->wait();
        $this->assertFalse($mock->getLastRequest()->hasHeader('Referer'));
    }