VED-457: Send correct E-Tag in update request.

Author: mfjarvis

e2e/test_create_immunization.py

@@ -37,30 +37,29 @@ def test_non_unique_identifier(self):
 
         # Check that duplicate CREATE request is rejected
         self.assert_operation_outcome(self.default_imms_api.create_immunization(imms, expected_status_code=422), 422)
+        self.assertEqual(res.headers["E-Tag"], "1")
 
-        # Check that duplice CREATE request is rejected after the event is updated
+        # Check that duplicate CREATE request is rejected after the event is updated
         imms["id"] = imms_id  # Imms fhir resource should include the id for update
-        etag_version = int(res.headers["E-Tag"])
-        print("E-Tag being sent:", etag_version)
-        print("Update payload:", json.dumps(imms, indent=2, default=str))
-        self.default_imms_api.update_immunization(imms_id, imms, headers={"E-Tag": str(etag_version)})
+        self.default_imms_api.update_immunization(imms_id, imms)
         self.assertEqual(res.status_code, 200)
         del imms["id"]  # Imms fhir resource should not include an id for create
         self.assert_operation_outcome(self.default_imms_api.create_immunization(imms, expected_status_code=422), 422)
 
-        # Check that duplice CREATE request is rejected after the event is updated then deleted
+        # Check that duplicate CREATE request is rejected after the event is updated then deleted
         self.default_imms_api.delete_immunization(imms_id)
         self.assertEqual(self.default_imms_api.get_immunization_by_id(
             imms_id, expected_status_code=404).status_code, 404)
         self.assert_operation_outcome(self.default_imms_api.create_immunization(imms, expected_status_code=422), 422)
 
-        # Check that duplice CREATE request is rejected after the event is updated then deleted then reinstated
+        # Check that duplicate CREATE request is rejected after the event is updated then deleted then reinstated
         imms["id"] = imms_id  # Imms fhir resource should include the id for update
-        self.default_imms_api.update_immunization(imms_id, imms, headers={"E-Tag": str(etag_version)})
+        self.default_imms_api.update_immunization(imms_id, imms, headers={"E-Tag": "2"})
         res = self.default_imms_api.get_immunization_by_id(imms_id)
         self.assertEqual(res.status_code, 200)
         del imms["id"]  # Imms fhir resource should not include an id for create
         self.assert_operation_outcome(self.default_imms_api.create_immunization(imms, expected_status_code=422), 422)
+        self.assertEqual(res.headers["E-Tag"], "3")
 
     def test_bad_nhs_number(self):
         """it should reject the request if nhs-number does not exist"""