adjust test to fail according to prod observation

Author: ytausch

tests/github_api/github_response_headers.json renamed to tests/github_api/create_pull_response_headers.json

@@ -1,28 +1,28 @@
 {
-  "Server": "GitHub.com",
-  "Date": "Wed, 29 May 2024 12:07:38 GMT",
+  "Date": "Mon, 11 Nov 2024 18:14:12 GMT",
   "Content-Type": "application/json; charset=utf-8",
-  "Cache-Control": "public, max-age=60, s-maxage=60",
-  "Vary": "Accept, Accept-Encoding, Accept, X-Requested-With",
-  "ETag": "W/\"7ba8c0b529b1303243a8c4636a95ce2e337591d152d69f8e90608c202a166483\"",
-  "Last-Modified": "Wed, 10 Apr 2024 13:15:22 GMT",
+  "Content-Length": "15241",
+  "Cache-Control": "private, max-age=60, s-maxage=60",
+  "Vary": "Accept, Authorization, Cookie, X-GitHub-OTP,Accept-Encoding, Accept, X-Requested-With",
+  "ETag": "\"9995f8b0b0fe850244173c40390fbe8cb00fe525d7e58954bd6dd4bbcb74785a\"",
+  "github-authentication-token-expiration": "2024-12-11 19:13:49 +0100",
+  "Location": "https://api.github.com/repos/OWNER/REPO/pulls/1",
   "X-GitHub-Media-Type": "github.v3; format=json",
+  "x-accepted-github-permissions": "pull_requests=write",
   "x-github-api-version-selected": "2022-11-28",
+  "X-RateLimit-Limit": "5000",
+  "X-RateLimit-Remaining": "4996",
+  "X-RateLimit-Reset": "1731350576",
+  "X-RateLimit-Used": "4",
+  "X-RateLimit-Resource": "core",
   "Access-Control-Expose-Headers": "ETag, Link, Location, Retry-After, X-GitHub-OTP, X-RateLimit-Limit, X-RateLimit-Remaining, X-RateLimit-Used, X-RateLimit-Resource, X-RateLimit-Reset, X-OAuth-Scopes, X-Accepted-OAuth-Scopes, X-Poll-Interval, X-GitHub-Media-Type, X-GitHub-SSO, X-GitHub-Request-Id, Deprecation, Sunset",
   "Access-Control-Allow-Origin": "*",
   "Strict-Transport-Security": "max-age=31536000; includeSubdomains; preload",
   "X-Frame-Options": "deny",
   "X-Content-Type-Options": "nosniff",
-  "X-XSS-Protection": "0",
+  "X-XSS-Protection": 0,
   "Referrer-Policy": "origin-when-cross-origin, strict-origin-when-cross-origin",
   "Content-Security-Policy": "default-src 'none'",
-  "Content-Encoding": "gzip",
-  "X-RateLimit-Limit": "60",
-  "X-RateLimit-Remaining": "51",
-  "X-RateLimit-Reset": "1716987025",
-  "X-RateLimit-Resource": "core",
-  "X-RateLimit-Used": "9",
-  "Accept-Ranges": "bytes",
-  "Content-Length": "4456",
-  "X-GitHub-Request-Id": "F7B3:2D05B1:3948EFC:3998343:74382A8F"
+  "Server": "github.com",
+  "X-GitHub-Request-Id": "1B69:2B877D:23D540:24422C:67324973"
 }

tests/test_git_utils.py

@@ -1016,8 +1016,8 @@ def github_response_get_repo() -> dict:
 
 
 @pytest.fixture()
-def github_response_headers() -> dict:
-    return _github_api_json_fixture("github_response_headers")
+def create_pull_response_headers() -> dict:
+    return _github_api_json_fixture("create_pull_response_headers")
 
 
 def test_github_backend_from_token():
@@ -1272,7 +1272,7 @@ def test_github_backend_get_api_requests_left_zero_valid_reset_time(caplog):
 def test_github_backend_create_pull_request_mock(
     request_mock: MagicMock,
     github_response_get_repo: dict,
-    github_response_headers: dict,
+    create_pull_response_headers: dict,
     github_response_get_pull: dict,
 ):
     def request_side_effect(method, _url, **_kwargs):
@@ -1285,7 +1285,7 @@ def request_side_effect(method, _url, **_kwargs):
             response.status_code = 201
             # note that the "create pull" response body is identical to the "get pull" response body
             response.json = lambda: github_response_get_pull
-            response.headers = CaseInsensitiveDict(github_response_headers)
+            response.headers = CaseInsensitiveDict(create_pull_response_headers)
             return response
         assert False, f"Unexpected method: {method}"
 
@@ -1337,6 +1337,12 @@ def request_side_effect(method, _url, **_kwargs):
         2024, 5, 27, 13, 31, 50, tzinfo=datetime.timezone.utc
     )
 
+    assert (
+        pr_data.e_tag
+        == '"9995f8b0b0fe850244173c40390fbe8cb00fe525d7e58954bd6dd4bbcb74785a"'
+    )
+    assert pr_data.last_modified is None
+
 
 @mock.patch("requests.Session.request")
 def test_github_backend_create_pull_request_duplicate(