Description of problem (please be detailed as possible and provide log
snippests):
the test test_must_gather[OTHERS] fails, showing that the noobaa diagnostics tarball is missing. This test does not have Failed executions on other type of platforms. 

missing files ['noobaa_diagnostics.tar.gz', 'BucketClassList_crs.yaml', 'db-noobaa-db-pg-0-pvc-describe.txt', 'noobaa-db-pg-0-db.log', 'noobaa-core-0-core.log', 'noobaa-endpoint-scc-describe.txt', 'NooBaaList_crs.yaml', 'noobaa-core-0-pod-describe.txt', 'obc_list', 'openshift-storage.yaml', 'noobaa-db-pg-0-pod-describe.txt', 'NamespaceStoreList_crs.yaml', 'prometheus-k8s-scheduler-resources.yaml', 'BackingStoreList_crs.yaml']

Version of all relevant components (if applicable):
ROSA HCP cluster with OCP 4.16.10, ODF 4.16.1-8

Does this issue impact your ability to continue to work with the product
(please explain in detail what is the user impact)?
no

Is there any workaround available to the best of your knowledge?
no

Rate from 1 - 5 the complexity of the scenario you performed that caused this
bug (1 - very simple, 5 - very complex)?
1

Can this issue reproducible?
3/3 (different clusters)

Can this issue reproduce from the UI?
no

If this is a regression, please provide more details to justify this:
new type of deployment (ROSA HCP Tech Preview)

Steps to Reproduce:
1. oc adm must-gather --image=registry.redhat.io/odf4/odf-must-gather-rhel9:v4.16 --dest-dir=/tmp/mg-tests-manual/dosypenk-159hcp/ocs_must_gather
2. find . -name noobaa_diagnostics
3.


Actual results:
noobaa_diagnostics.tar.gz with its content are missing

Expected results:
noobaa_diagnostics.tar.gz collected
Additional info:

mg logs: https://drive.google.com/file/d/1YQS2zvaEciM9IqCSUYFnFXfHiOWuOuQ0/view?usp=sharing
<oc adm must-gather> cmd out from the same execution as a mg logs ^ https://drive.google.com/file/d/1TU_wW4hnYxy_wODYn40GJZ6WwKTqkfYN/view?usp=sharing