Unit test fix (#263)

* Update API level for "modern" report templates

* Adjust unit testing

- Support new report printing API
- Ref: inventree/InvenTree#9096

Author: SchrodingersGat

test/test_report.py

@@ -51,9 +51,7 @@ def test_print_report(self):
         # Print the report
         response = build.printReport(template)
 
-        for key in ['pk', 'model_type', 'output', 'template']:
+        for key in ['pk', 'output']:
             self.assertIn(key, response)
 
         self.assertIsNotNone(response['output'])
-        self.assertEqual(response['template'], template.pk)
-        self.assertEqual(response['model_type'], build.getModelType())