/**
  * @dataProvider providerLoadUser
  */
 public function testLoadUser($uKey, $knownAs, $expectException)
 {
     try {
         // check its loaded correctly
         $u = InstructionControl::loadUser($uKey);
         $this->assertEquals($knownAs, $u['known_as']);
         $this->assertFalse($expectException, 'should have throw Exception');
     } catch (InstructionControl_Exception $e) {
         $this->assertTrue($expectException, 'should not have throw Exception');
     }
 }