TestReadiness/Ready_-_returns_200 flaky

[stevekuznetsov]

{"time":"2024-10-15T18:26:35.847390637Z","level":"ERROR","msg":"error retrieving value from context, value obtained was '<nil>' and type obtained was '*slog.Logger'"}
--- FAIL: TestReadiness (0.00s)
    --- FAIL: TestReadiness/Ready_-_returns_200 (0.00s)
        frontend_test.go:57: expected status code 200, got 500
2024/10/15 18:26:35 http: superfluous response.WriteHeader call from github.com/Azure/ARO-HCP/internal/api/arm.WriteCloudError (error.go:110)
2024/10/15 18:26:35 http: superfluous response.WriteHeader call from github.com/Azure/ARO-HCP/internal/api/arm.WriteCloudError (error.go:110)
2024/10/15 18:26:35 http: superfluous response.WriteHeader call from github.com/Azure/ARO-HCP/internal/api/arm.WriteCloudError (error.go:110)
2024/10/15 18:26:35 http: superfluous response.WriteHeader call from github.com/Azure/ARO-HCP/internal/api/arm.WriteCloudError (error.go:110)
2024/10/15 18:26:35 http: superfluous response.WriteHeader call from github.com/Azure/ARO-HCP/internal/api/arm.WriteCloudError (error.go:110)
2024/10/15 18:26:35 http: superfluous response.WriteHeader call from github.com/Azure/ARO-HCP/internal/api/arm.WriteCloudError (error.go:110)
2024/10/15 18:26:35 http: superfluous response.WriteHeader call from github.com/Azure/ARO-HCP/internal/api/arm.WriteCloudError (error.go:110)
2024/10/15 18:26:35 WARN Failed to parse X-Ms-Arm-Resource-System-Data header: <nil>
FAIL

[stevekuznetsov]

This is a flaky test, seen it fail in GitHub Actions CI: https://github.com/Azure/ARO-HCP/actions/runs/11351630167/job/31572616748