VED-457: update imms call with etag parameter

Author: Akol125

e2e/test_create_immunization.py

@@ -31,15 +31,17 @@ def test_non_unique_identifier(self):
         # Set up
         imms = generate_imms_resource()
         imms_id = self.default_imms_api.create_immunization_resource(imms)
-        self.assertEqual(self.default_imms_api.get_immunization_by_id(imms_id).status_code, 200)
+        res = self.default_imms_api.get_immunization_by_id(imms_id)
+        self.assertEqual(res.status_code, 200)
 
         # Check that duplicate CREATE request is rejected
         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
         imms["id"] = imms_id  # Imms fhir resource should include the id for update
-        self.default_imms_api.update_immunization(imms_id, imms)
-        self.assertEqual(self.default_imms_api.get_immunization_by_id(imms_id).status_code, 200)
+        etag_version = int(res.headers["E-Tag"])
+        self.default_imms_api.update_immunization(imms_id, imms, headers={"E-Tag": etag_version})
+        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)
 
@@ -52,7 +54,7 @@ def test_non_unique_identifier(self):
         # Check that duplice 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)
-        self.assertEqual(self.default_imms_api.get_immunization_by_id(imms_id).status_code, 200)
+        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)