Refactor disk-uploader task tests

[geetikakay]

• Add support for export-source-kind PVC
• Refactor code to support Datasource with snapshot

Short description:

More details:

What this PR does / why we need it:

Which issue(s) this PR fixes:

Special notes for reviewer:

jira-ticket:

[ghost]

Report bugs in Issues

The following are automatically added:

• Add reviewers from OWNER file (in the root of the repository) under reviewers section.
• Set PR size label.
• New issue is created for the PR. (Closed when PR is merged/closed)
• Run pre-commit if .pre-commit-config.yaml exists in the repo.

Available user actions:

• To mark PR as WIP comment /wip to the PR, To remove it from the PR comment /wip cancel to the PR.
• To block merging of PR comment /hold, To un-block merging of PR comment /hold cancel.
• To mark PR as verified comment /verified to the PR, to un-verify comment /verified cancel to the PR.
  verified label removed on each new commit push.
• To cherry pick a merged PR comment /cherry-pick <target branch to cherry-pick to> in the PR.
  • Multiple target branches can be cherry-picked, separated by spaces. (/cherry-pick branch1 branch2)
  • Cherry-pick will be started when PR is merged
• To build and push container image command /build-and-push-container in the PR (tag will be the PR number).
  • You can add extra args to the Podman build command
    • Example: /build-and-push-container --build-arg OPENSHIFT_PYTHON_WRAPPER_COMMIT=<commit_hash>
• To add a label by comment use /<label name>, to remove, use /<label name> cancel
• To assign reviewers based on OWNERS file use /assign-reviewers
• To check if PR can be merged use /check-can-merge
• to assign reviewer to PR use /assign-reviewer @<reviewer>

Supported /retest check runs

• /retest tox: Retest tox
• /retest build-container: Retest build-container
• /retest all: Retest all

Supported labels

• hold
• verified
• wip
• lgtm

[polarion-jenkins]

D/S test tox -e verify-bugs-are-open passed: cnv-tests-tox-executor/7126

[geetikakay]

/verified

[ghost]

Successfully removed PR tag: quay.io/openshift-cnv/openshift-virtualization-tests:pr-313.

[ghost]

New container for quay.io/openshift-cnv/openshift-virtualization-tests:latest published

[geetikakay]

/cherry-pick cnv-4.18

[ghost]

Manual cherry-pick is needed
Cherry pick failed for 13ad8f0 to cnv-4.18:
To cherry-pick run:

git remote update
git checkout cnv-4.18
git pull origin cnv-4.18
git checkout -b disk_uploader-cnv-4.18
git cherry-pick 13ad8f06cece62f5ef714aef27338cee7a989a8c
git push origin disk_uploader-cnv-4.18