public function testGetInventory()
{
$client = $this->createClient('get_inventory', $history = new History());
$response = $client->getInventory(['username' => '360vinyl', 'sort' => 'price', 'sort_order' => 'asc']);
$this->assertArrayHasKey('pagination', $response);
$this->assertArrayHasKey('listings', $response);
$this->assertCount(50, $response['listings']);
$this->assertSame('GET', $history->getLastRequest()->getMethod());
$this->assertSame('https://api.discogs.com/users/360vinyl/inventory?sort=price&sort_order=asc', $history->getLastRequest()->getUrl());
}