ISSUE #883: feat: add data-testid attribute for loading spinner

[jstetina]

Closes #883

• pity we didn't put some testid attribute to this our extra element against which we could check here... #883

Description

Add data-testid attribute to a initial loading spinner element

How Has This Been Tested?

Merge criteria:

• The commits are squashed in a cohesive manner and have meaningful messages.
• Testing instructions have been added in the PR body (for PRs involving changes that are not immediately obvious).
• The developer has manually tested the changes and verified that the changes work

[openshift-ci]

Hi @jstetina. Thanks for your PR.

I'm waiting for a opendatahub-io member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

Once the patch is verified, the new status will be reflected by the ok-to-test label.

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[jiridanek]

/ok-to-test

[jiridanek]

your line length limit is a bit too low, imo; this would be a lot better to have everything on single line

[jiridanek]

typo

[jiridanek]

please fix the typo

[jiridanek]

/ok-to-test

[jiridanek]

/lgtm

[jstourac]

/lgtm

[jiridanek]

/approve

thanks for the work

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: jiridanek

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[jiridanek]

/override "Red Hat Konflux"

[openshift-ci]

@jiridanek: /override requires failed status contexts, check run or a prowjob name to operate on.
The following unknown contexts/checkruns were given:

• Red Hat Konflux

Only the following failed contexts/checkruns were expected:

• build
• tide

If you are trying to override a checkrun that has a space in it, you must put a double quote on the context.

In response to this:

/override "Red Hat Konflux"

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository.

[jiridanek]

/ok-to-test