/**
  * @depends testAddPropertyAddsProperty
  */
 public function testGetPropertiesReturnsAttributeValue()
 {
     $properties = new Properties();
     $stringProperty = new PropertyString('stringProp', 'stringPropValue');
     $properties->addProperty($stringProperty);
     $this->assertSame(array($stringProperty->getId() => $stringProperty), $properties->getProperties());
 }