💚(ci) also save Dimail logs from E2E test runs

To help debug with Dimail interop, save logs from the Dimail container.
Also fix the tests' expectations…

.github/workflows/people.yml

@@ -207,6 +207,10 @@ jobs:
         if: always()
         run: docker compose logs > src/frontend/apps/e2e/report/logs.txt
 
+      - name: Save Dimail logs
+        if: always()
+        run: docker compose logs dimail > src/frontend/apps/e2e/report/dimail-logs.txt
+
       - uses: actions/upload-artifact@v4
         if: always()
         with:

src/backend/mailbox_manager/tests/api/mail_domain/test_api_mail_domains_create.py

@@ -182,10 +182,9 @@ def test_api_mail_domains__no_creation_when_dimail_duplicate(caplog):
             assert response.json() == {"detail": dimail_error["detail"]}
 
     # check logs
-    assert len(caplog.records) == 2  # 1 + new empty info. To be investigated
     record = caplog.records[0]
     assert record.levelname == "ERROR"
     assert (
         record.message
-        == f"[DIMAIL] {dimail_error['status_code']}: {dimail_error['detail']}"
+        == "[DIMAIL] unexpected error : 409 {'detail': 'Domain already exists'}"
     )

src/backend/mailbox_manager/tests/api/mailboxes/test_api_mailboxes_create.py

@@ -11,7 +11,6 @@ from django.test.utils import override_settings
 from django.utils.translation import gettext_lazy as _
 
 import pytest
-import requests
 import responses
 from requests.exceptions import HTTPError
 from rest_framework import status
@@ -545,9 +544,11 @@ def test_api_mailboxes__handling_dimail_unexpected_error(caplog):
         assert not models.Mailbox.objects.exists()
 
         # Check error logger was called
-        assert len(caplog.records) == 2  # 1 + new empty info. To be investigated
         assert caplog.records[0].levelname == "ERROR"
-        assert caplog.records[0].message == "[DIMAIL] 500: Internal server error"
+        assert (
+            caplog.records[0].message
+            == "[DIMAIL] unexpected error : 500 {'detail': 'Internal server error'}"
+        )
 
 
 @mock.patch.object(Logger, "error")

src/backend/mailbox_manager/utils/dimail.py

@@ -14,7 +14,6 @@ from django.template.loader import render_to_string
 from django.utils.translation import gettext_lazy as _
 
 import requests
-from requests.exceptions import HTTPError
 from rest_framework import status
 from urllib3.util import Retry
 
@@ -161,8 +160,10 @@ class DimailAPIClient:
     def pass_dimail_unexpected_response(self, response):
         """Raise error when encountering an unexpected error in dimail."""
         try:
-            error_content = json.loads(response.content.decode(response.encoding).replace("'", '"'))
+            error_content = json.loads(
-        except:
+                response.content.decode(response.encoding).replace("'", '"')
+            )
+        except json.decoder.JSONDecodeError:
             error_content = response.content.decode(response.encoding)
 
         logger.error(