Merge pull request #585 from element-hq/gaelg/developers-doc

Document how to re-run pytest from scratch.

Author: gaelgatelement

DEVELOPERS.md

@@ -1,5 +1,5 @@
 <!--
-Copyright 2024 New Vector Ltd
+Copyright 2024-2025 New Vector Ltd
 
 SPDX-License-Identifier: AGPL-3.0-only
 -->
@@ -153,6 +153,9 @@ Verifies that the deployed workloads behave as expected and integrates well toge
 
 From the project root : `pytest test`
 
+Pytest caches the namespace name and created user tokens between run. To start a run from scratch,
+run `pytest test --cache-clear`.
+
 #### Special env variables
 - `PYTEST_KEEP_CLUSTER=1` : Do not destroy the cluster at the end of the test run.
 You must delete it using `kind delete cluster --name ess-helm` manually before running any other test run.

newsfragments/579.changed.md

@@ -0,0 +1 @@
+Document how to re-run integration tests from scratch.