Can't load models...error in line 184 of Loader.php

[eluser]MydKnight[/eluser]
Back to the can't load model error now. To recap:

The file is in application/models and is called m_test

The call to the model is $this->load->model("m_test");

The model text is:

class M_test extends Model{
function M_test(){
parent::Model();
}
}