public function testUnsetValuesAreNotSet()
{
$this->PropertyData[$this->Property1] = true;
$this->PropertyData[$this->Property2] = true;
unset($this->PropertyData[$this->Property1]);
unset($this->PropertyData[$this->Property2]);
$this->assertFalse(isset($this->PropertyData[$this->Property1]));
$this->assertFalse(isset($this->PropertyData[$this->Property2]));
}