Error:
```
[FAILED] Error from server (NotFound): namespaces "actions-runner-system" not found
```
coming from: /runner/_work/kcrypt-challenger/kcrypt-challenger/tests/encryption_test.go:157
is suspicious. That namespace shouldn't exist in the test k3d cluster,
no idea why it was looked up. I suspect the env for the following
command somehow pointed to the "outer" cluster:
```
cmd := exec.Command("kubectl", "get", "secrets", ...)
```
Signed-off-by: Dimitris Karakasilis <dimitris@karakasilis.me>
