staffType() public static méthode

public static staffType ( )
 /**
  * @covers ContactLabel::staffType
  */
 public function testStaffType()
 {
     Yii::app()->session['selected_site_id'] = 1;
     $result = $this->model->staffType();
     $expected = 'Moorfields staff';
     $this->assertEquals($expected, $result);
 }