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Issue description

Running `lab start auth-review` fails with:

[student@workstation ~]$ lab start auth-review

...SNIP...

SUCCESS Removing all identities
SUCCESS Recreate the OAuth CR from file
SUCCESS Verifying cluster state

SUCCESS Remove kubeconfig file
FAIL    Configure the memberof plugin in RHDS
        - An unexpected error ocurred: Command '['ssh', 'rhds.ocp4.example.com', 'dsconf', "-D 'cn=Directory Manager'", '-w redhatocp', 'ldaps://rhds.ocp4.example.com', 'plugin memberof show', '| grep memberofgroupattr']' returned non-zero exit status 1.. 
        - Check the logs for more details
        - Cannot continue lab script
An error has ocurred. Check the logs for more details

Steps to reproduce:

Launch a new DO380EA.  Wait for cluster to stabalize.  Run the `lab start auth-review` as the student user.

Expected result:{}

SUCCESS message