added pipeline execution tests

[rsun19]

Closes: RHOAIENG-6986

Description

I added pipeline executions tests (focused on table and details) to improve code coverage

How Has This Been Tested?

npm run test

Test Impact

I added tests and mocks.

Request review criteria:

Self checklist (all need to be checked):

• The developer has manually tested the changes and verified that the changes work
• Commits have been squashed into descriptive, self-contained units of work (e.g. 'WIP' and 'Implements feedback' style messages have been removed)
• Testing instructions have been added in the PR body (for PRs involving changes that are not immediately obvious).
• The developer has added tests or explained why testing cannot be added (unit or cypress tests for related changes)

If you have UI changes:

• Included any necessary screenshots or gifs if it was a UI change.
• Included tags to the UX team if it was a UI/UX change (find relevant UX in the SMEs section).

After the PR is posted & before it merges:

• The developer has tested their solution on a cluster by using the image produced by the PR to main

[christianvogt]

sorry i forgot to submit my review yesterday so there's likely overlap with what Purva mentioned.

[ConorOM1]

should some testing be included for Pipeline Server Actions aswell ?

[rsun19]

should some testing be included for Pipeline Server Actions aswell ?

Not sure if this is necessary. Tagging @christianvogt

[christianvogt]

/lgtm
/approve

[openshift-ci]

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This pull-request has been approved by: christianvogt

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