public function testMethod()
{
$callMethod1 = fn\method('test');
$callMethod2 = fn\method('test', []);
$callMethod3 = fn\method('test', ['a', 'b']);
$obj = new _MethodTestDummy();
$this->assertSame([], $callMethod1($obj));
$this->assertSame([], $callMethod2($obj));
$this->assertSame(['a', 'b'], $callMethod3($obj));
}