public function testCreateListing()
{
$client = $this->createClient('create_listing', $history = new History());
$response = $client->createListing(['release_id' => '1', 'condition' => 'Mint (M)', 'status' => 'For Sale', 'price' => 5.9]);
$this->assertSame('POST', $history->getLastRequest()->getMethod());
$this->assertSame('https://api.discogs.com/marketplace/listings', $history->getLastRequest()->getUrl());
}