Future-proof the tests (#39)

* Future-proof the tests

* lint

Author: pcothenet

test/test_estimates_api.py

@@ -36,7 +36,9 @@ def test_create_and_retrieve_mass_estimate(self):
         """
         mass_g = 100
         project_id = "pro_test_2b67b11a030b66e0a6dd61a56b49079a"
-        estimate = self.api.create_mass_estimate(mass_g=mass_g, project_id=project_id)
+        estimate = self.api.create_mass_estimate(
+            mass_g=mass_g, project_id=project_id, create_order=True
+        )
         self.assertTrue(estimate)
         self.assertEqual(estimate.data.order.mass_g, mass_g)