Feature/blui 3667 react test doc

[JeffGreiner-eaton]

Fixes BLUI-3667.

Changes proposed in this Pull Request:

• add testing doc

Screenshots / Screen Recording (if applicable)

-

To Test:

• checkout branch and yarn start:docs
• nav to http://localhost:3000/getting-started/test-a-project
• or visit deployed PR link below

Any specific feedback you are looking for?

• should this be more or less focused

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 80.85%. Comparing base (e760c23) to head (6ac701d). Report is 11 commits behind head on dev.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## dev #921 +/- ## ======================================= Coverage 80.85% 80.85% ======================================= Files 47 47 Lines 1238 1238 Branches 156 156 ======================================= Hits 1001 1001 Misses 136 136 Partials 101 101 ``` | [Flag](https://app.codecov.io/gh/etn-ccis/blui-react-component-library/pull/921/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=etn-ccis) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/etn-ccis/blui-react-component-library/pull/921/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=etn-ccis) | `80.85% <ø> (ø)` | | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=etn-ccis#carryforward-flags-in-the-pull-request-comment) to find out more.

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[github-actions[bot]]

Visit the preview URL for this PR (updated for commit 6ac701d):

https://blui-react-docs--pr921-feature-blui-3667-re-13qc94r7.web.app

_{(expires Thu, 14 Nov 2024 13:50:40 GMT)}

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