test: cover real process runner

tests/remote_login_url_client_test.php

@@ -48,3 +48,9 @@ test('remote login url client validates helper output before returning it', func
     }
 });
 
+test('process runner returns stdout and exit code from real command', function (): void {
+    $result = RemoteLoginUrlClient::runProcess(['php', '-r', 'echo "ok\n";'], 5);
+
+    assert_same(0, $result->exitCode);
+    assert_same("ok\n", $result->stdout);
+});