fix: typing in tests

Author: Minishlink

tests/PushServiceTest.php

@@ -118,12 +118,6 @@ protected function createClosureTest(string $browserId, array $options): callabl
             $messageIndex = 0;
 
             foreach ($supportedContentEncodings as $contentEncoding) {
-                if (!in_array($contentEncoding, ['aesgcm', 'aes128gcm'], true)) {
-                    $this->expectException(ErrorException::class);
-                    $this->expectExceptionMessage('This content encoding ('.$contentEncoding.') is not supported.');
-                    $this->markTestIncomplete('Unsupported content encoding: '.$contentEncoding);
-                }
-
                 $subscription = new Subscription($endpoint, $p256dh, $auth, $contentEncoding);
                 $report = $this->webPush->sendOneNotification($subscription, $payload);
                 $this->assertTrue($report->isSuccess());