upgrade to integration tests 4

Author: dbu

composer.json

@@ -18,10 +18,10 @@
     },
     "require-dev": {
         "friendsofphp/php-cs-fixer": "^3.51",
-        "php-http/client-integration-tests": "^3.1.1",
+        "php-http/client-integration-tests": "dev-cleanup-major",
         "php-http/message": "^1.16",
         "php-http/client-common": "^2.7",
-        "phpunit/phpunit": "^8.5.23 || ~9.5",
+        "phpunit/phpunit": "^12.0",
         "php-http/message-factory": "^1.1"
     },
     "provide": {

tests/SocketHttpClientTest.php

@@ -7,15 +7,16 @@
 use Http\Client\Socket\Exception\NetworkException;
 use Http\Client\Socket\Exception\TimeoutException;
 use Nyholm\Psr7\Factory\Psr17Factory;
+use Psr\Http\Message\ResponseInterface;
 
 class SocketHttpClientTest extends BaseTestCase
 {
-    public function createClient($options = [])
+    public function createClient($options = []): HttpMethodsClient
     {
         return new HttpMethodsClient(new SocketHttpClient($options), new Psr17Factory());
     }
 
-    public function testTcpSocketDomain()
+    public function testTcpSocketDomain(): void
     {
         $this->startServer('tcp-server');
         $client = $this->createClient(['remote_socket' => '127.0.0.1:19999']);
@@ -73,7 +74,7 @@ public function testSslRemoteInUri(): void
         ]);
         $response = $client->get('/', []);
 
-        $this->assertInstanceOf('Psr\Http\Message\ResponseInterface', $response);
+        $this->assertInstanceOf(ResponseInterface::class, $response);
         $this->assertEquals(200, $response->getStatusCode());
     }