Partial mock of trait can not invoked "parent" magic method.

[jmalloc]

trait T
{
    public function __call($name, array $arguments)
    {
        return '<called>';
    }
}

$handle = Phony::partialMock(T::class)->mock();
echo $handle->foo();

Output:

Warning: call_user_func_array() expects parameter 1 to be a valid callback, cannot access parent:: when current class scope has no parent in ...src/Mock/Factory/MockFactory.php(142) : eval()'d code on line 57