Clean up event loop left overs from promise

I somehow missed those while working on #50

Author: WyriHaximus

src/Client.php

@@ -69,7 +69,6 @@ public function sendAsyncRequest(RequestInterface $request)
                 $request->getHeaders(),
                 $request->getBody()
             ),
-            $this->loop,
             $request
         );
 

src/Promise.php

@@ -58,19 +58,11 @@ final class Promise implements HttpPromise
      */
     private $promise;
 
-    /**
-     * ReactPHP LoopInterface.
-     *
-     * @var LoopInterface
-     */
-    private $loop;
-
-    public function __construct(PromiseInterface $promise, LoopInterface $loop, RequestInterface $request)
+    public function __construct(PromiseInterface $promise, RequestInterface $request)
     {
         $this->state = self::PENDING;
 
         $this->request = $request;
-        $this->loop = $loop;
         $this->promise = $promise->then(
             function (?ResponseInterface $response): ?ResponseInterface {
                 $this->response = $response;
@@ -101,7 +93,7 @@ function ($reason): void {
 
     public function then(?callable $onFulfilled = null, ?callable $onRejected = null)
     {
-        return new self($this->promise->then($onFulfilled, $onRejected), $this->loop, $this->request);
+        return new self($this->promise->then($onFulfilled, $onRejected), $this->request);
     }
 
     /**

tests/PromiseTest.php

@@ -18,13 +18,6 @@
 
 class PromiseTest extends TestCase
 {
-    private $loop;
-
-    public function setUp(): void
-    {
-        $this->loop = ReactFactory::buildEventLoop();
-    }
-
     public function testChain()
     {
         $factory = new Psr17Factory();
@@ -35,7 +28,7 @@ public function testChain()
             $resolve($response);
         });
 
-        $promise = new Promise($reactPromise, $this->loop, $request);
+        $promise = new Promise($reactPromise, $request);
 
         $lastPromise = $promise->then(function (ResponseInterface $response) use ($factory) {
             return $factory->createResponse(300, $response->getReasonPhrase());
@@ -60,7 +53,7 @@ public function testPromiseExceptionsAreTranslatedToHttplug(
             $reject($reason);
         });
 
-        $promise = new Promise($reactPromise, $this->loop, $request);
+        $promise = new Promise($reactPromise, $request);
         $this->expectException($adapterExceptionClass);
         $promise->wait();
     }