/** @depends testCreateValue */
 public function testDeleteValue()
 {
     $attr = new Attribute("attr", 0);
     $id = AttributesService::createAttribute($attr);
     $attr->id = $id;
     $val = new AttributeValue("value");
     $valId = AttributesService::createValue($val, $id);
     $this->assertTrue(AttributesService::deleteValue($valId), "Delete failed");
     $pdo = PDOBuilder::getPDO();
     $sql = "SELECT * FROM ATTRIBUTEVALUE";
     $stmt = $pdo->prepare($sql);
     $row = $stmt->fetch();
     $this->assertFalse($row, "Something was found after delete");
 }