diff --git a/api/tests/test_containers_integration_tests/controllers/console/app/test_conversation_read_timestamp.py b/api/tests/test_containers_integration_tests/controllers/console/app/test_conversation_read_timestamp.py
new file mode 100644
index 0000000000..fad0b8b10e
--- /dev/null
+++ b/api/tests/test_containers_integration_tests/controllers/console/app/test_conversation_read_timestamp.py
@@ -0,0 +1,73 @@
+from datetime import datetime
+from unittest.mock import patch
+
+import pytest
+from sqlalchemy.orm import Session
+from werkzeug.exceptions import NotFound
+
+from controllers.console.app.conversation import _get_conversation
+from models.enums import ConversationFromSource
+from models.model import AppMode, Conversation
+from tests.test_containers_integration_tests.controllers.console.helpers import (
+    create_console_account_and_tenant,
+    create_console_app,
+)
+
+
+def test_get_conversation_mark_read_keeps_updated_at_unchanged(
+    db_session_with_containers: Session,
+):
+    account, tenant = create_console_account_and_tenant(db_session_with_containers)
+    app = create_console_app(db_session_with_containers, tenant.id, account.id, AppMode.CHAT)
+
+    original_updated_at = datetime(2026, 2, 8, 0, 0, 0)
+    conversation = Conversation(
+        app_id=app.id,
+        name="read timestamp test",
+        inputs={},
+        status="normal",
+        mode=AppMode.CHAT,
+        from_source=ConversationFromSource.CONSOLE,
+        from_account_id=account.id,
+        updated_at=original_updated_at,
+    )
+    db_session_with_containers.add(conversation)
+    db_session_with_containers.commit()
+
+    read_at = datetime(2026, 2, 9, 0, 0, 0)
+
+    with (
+        patch(
+            "controllers.console.app.conversation.current_account_with_tenant",
+            return_value=(account, tenant.id),
+            autospec=True,
+        ),
+        patch(
+            "controllers.console.app.conversation.naive_utc_now",
+            return_value=read_at,
+            autospec=True,
+        ),
+    ):
+        loaded = _get_conversation(app, conversation.id)
+
+    db_session_with_containers.refresh(conversation)
+
+    assert loaded.id == conversation.id
+    assert conversation.read_at == read_at
+    assert conversation.read_account_id == account.id
+    assert conversation.updated_at == original_updated_at
+
+
+def test_get_conversation_raises_not_found_for_missing_conversation(
+    db_session_with_containers: Session,
+):
+    account, tenant = create_console_account_and_tenant(db_session_with_containers)
+    app = create_console_app(db_session_with_containers, tenant.id, account.id, AppMode.CHAT)
+
+    with patch(
+        "controllers.console.app.conversation.current_account_with_tenant",
+        return_value=(account, tenant.id),
+        autospec=True,
+    ):
+        with pytest.raises(NotFound):
+            _get_conversation(app, "00000000-0000-0000-0000-000000000000")
diff --git a/api/tests/unit_tests/controllers/console/app/test_conversation_read_timestamp.py b/api/tests/unit_tests/controllers/console/app/test_conversation_read_timestamp.py
deleted file mode 100644
index f588ab261d..0000000000
--- a/api/tests/unit_tests/controllers/console/app/test_conversation_read_timestamp.py
+++ /dev/null
@@ -1,42 +0,0 @@
-from datetime import datetime
-from types import SimpleNamespace
-from unittest.mock import MagicMock, patch
-
-from controllers.console.app.conversation import _get_conversation
-
-
-def test_get_conversation_mark_read_keeps_updated_at_unchanged():
-    app_model = SimpleNamespace(id="app-id")
-    account = SimpleNamespace(id="account-id")
-    conversation = MagicMock()
-    conversation.id = "conversation-id"
-
-    with (
-        patch(
-            "controllers.console.app.conversation.current_account_with_tenant",
-            return_value=(account, None),
-            autospec=True,
-        ),
-        patch(
-            "controllers.console.app.conversation.naive_utc_now",
-            return_value=datetime(2026, 2, 9, 0, 0, 0),
-            autospec=True,
-        ),
-        patch("controllers.console.app.conversation.db.session", autospec=True) as mock_session,
-    ):
-        mock_session.scalar.return_value = conversation
-
-        _get_conversation(app_model, "conversation-id")
-
-        statement = mock_session.execute.call_args[0][0]
-        compiled = statement.compile()
-        sql_text = str(compiled).lower()
-        compact_sql_text = sql_text.replace(" ", "")
-        params = compiled.params
-
-        assert "updated_at=current_timestamp" not in compact_sql_text
-        assert "updated_at=conversations.updated_at" in compact_sql_text
-        assert "read_at=:read_at" in compact_sql_text
-        assert "read_account_id=:read_account_id" in compact_sql_text
-        assert params["read_at"] == datetime(2026, 2, 9, 0, 0, 0)
-        assert params["read_account_id"] == "account-id"