fix: luma response

Author: Justintime50

src/services/luma_service.js

@@ -21,7 +21,7 @@ export default (easypostClient) =>
       try {
         const response = await easypostClient._post(url, wrappedParams);
 
-        return this._convertToEasyPostObject(response.body, wrappedParams);
+        return this._convertToEasyPostObject(response.body.luma_info, wrappedParams);
       } catch (e) {
         return Promise.reject(e);
       }

test/services/luma.test.js

@@ -25,6 +25,6 @@ describe('Luma Service', function () {
 
     const response = await client.Luma.getPromise(basicShipment);
 
-    expect(response.luma_info.luma_selected_rate).to.not.be.null;
+    expect(response.luma_selected_rate).to.not.be.null;
   });
 });