fix(api): prevent 500 on Jira integrations with sparse fieldsets (#12261)

api/src/backend/conftest.py

@@ -1450,6 +1450,26 @@ def integrations_fixture(aws_provider_pair):
     return integration1, integration2
 
 
+@pytest.fixture
+def jira_integration_fixture(tenants_fixture):
+    # Jira is a tenant-wide integration: it is not attached to any provider, and its
+    # `domain` is read from the credentials when the integration is serialized
+    tenant_id = tenants_fixture[0].id
+    with rls_transaction(str(tenant_id)):
+        return Integration.objects.create(
+            tenant_id=tenant_id,
+            enabled=True,
+            connected=True,
+            integration_type=Integration.IntegrationChoices.JIRA,
+            configuration={"projects": {"TEST": "Test project"}},
+            credentials={
+                "domain": "test",
+                "user_mail": "a@b.com",
+                "api_token": "token",
+            },
+        )
+
+
 @pytest.fixture
 def backfill_scan_metadata_fixture(scans_fixture, findings_fixture):
     for scan_instance in scans_fixture: