public function testGettingProductCustomFieldsReturnsCollectionOfProductCustomFields()
 {
     $this->connection->expects($this->once())->method('get')->with($this->basePath . '/products/1/customfields/', false)->will($this->returnValue(array(array(), array())));
     $collection = Client::getProductCustomFields(1);
     $this->assertInternalType('array', $collection);
     foreach ($collection as $resource) {
         $this->assertInstanceOf('Bigcommerce\\Api\\Resources\\ProductCustomField', $resource);
     }
 }