HA test is flaky

Seen quite a lot of intermittent failures for the HA test

• https://gitlab.com/nso-developer/nso-docker/-/jobs/2268786725
• https://gitlab.com/nso-developer/nso-docker/-/jobs/2268786730
• https://gitlab.com/nso-developer/nso-docker/-/jobs/2268786743
• https://gitlab.com/nso-developer/nso-docker/-/jobs/2264862387
• https://gitlab.com/nso-developer/nso-docker/-/jobs/2264862389
• https://gitlab.com/nso-developer/nso-docker/-/jobs/2264862394
• https://gitlab.com/nso-developer/nso-docker/-/jobs/2268943418
• https://gitlab.com/nso-developer/nso-docker/-/jobs/2269282781
• https://gitlab.com/nso-developer/nso-docker/-/jobs/2270027590
• https://gitlab.com/nso-developer/nso-docker/-/jobs/2270027611
• https://gitlab.com/nso-developer/nso-docker/-/jobs/2269488993
• https://gitlab.com/nso-developer/nso-docker/-/jobs/2269488997
• https://gitlab.com/nso-developer/nso-docker/-/jobs/2285877547