(BSR)[API] test: unflake test

Author: cnormant-pass

api/tests/routes/adage/v1/get_educational_bookings_test.py

@@ -35,12 +35,9 @@ def test_get_collective_bookings(self, client) -> None:
             )
 
         assert response.status_code == 200
-        assert response.json == {
-            "prebookings": [
-                expected_serialized_prebooking(booking1),
-                expected_serialized_prebooking(booking2),
-            ]
-        }
+        assert len(response.json["prebookings"]) == 2
+        assert expected_serialized_prebooking(booking1) in response.json["prebookings"]
+        assert expected_serialized_prebooking(booking2) in response.json["prebookings"]
 
     def test_get_collective_bookings_with_address(self, client):
         educational_year = EducationalYearFactory()