'                             }                         ]                     }                 },                 attributes: {                     title: 'Rails is Omakase'                 }             }         }.to_json)         .to_return(headers: {content_type: 'application/vnd.api+json'}, body: {             data: {                 type: 'articles',                 id: '0',                 attributes: {                     title: 'Rails is Omakase'                 }             }         }.to_json)      