Add test.ErrIsWanted for table driven tests

[FollowTheProcess]

Description

Motivation and Context

Closes #

How Has This Been Tested?

Checklist

• [ ] I have updated the documentation if needed.
• [ ] I have updated the tests if needed.

[codecov[bot]]

Codecov Report

Patch coverage: 100.00% and no project coverage change.

Comparison is base (8e9bb45) 100.00% compared to head (58caffd) 100.00%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #4 +/- ## ========================================= Coverage 100.00% 100.00% ========================================= Files 1 1 Lines 55 60 +5 ========================================= + Hits 55 60 +5 ``` | [Files Changed](https://app.codecov.io/gh/FollowTheProcess/test/pull/4?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Tom+Fleet) | Coverage Δ | | |---|---|---| | [test.go](https://app.codecov.io/gh/FollowTheProcess/test/pull/4?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Tom+Fleet#diff-dGVzdC5nbw==) | `100.00% <100.00%> (ø)` | |

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