Backport of terraform test: fix regression when running with no tests (#37475) into v1.13

[github-actions]

Backport

This PR is auto-generated from #37477 to be assessed for backporting due to the inclusion of the label 1.13-backport.

🚨

Warning automatic cherry-pick of commits failed. If the first commit failed,
you will see a blank no-op commit below. If at least one commit succeeded, you
will see the cherry-picked commits up to, not including, the commit where
the merge conflict occurred.

The person who merged in the original PR is:
@liamcervante
This person should resolve the merge-conflict(s) by either:

• Manually completing the cherry picks into this branch
• Creating a new branch and manually cherry-picking all commits being backported

merge conflict error: POST https://api.github.com/repos/hashicorp/terraform/merges: 409 Merge conflict []

The below text is copied from the body of the original PR.

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Reverts this change in 809a779 of #37205 (incorporated into yesterday's v1.13.0 release):

-	suite.Status = moduletest.Pass
+	suite.Status = moduletest.Pending

Which makes terraform test with no files return a non-zero exit code.

Fixes #37475

Target Release

1.14.x

Rollback Plan

• If a change needs to be reverted, we will roll out an update to the code within 7 days.

Changes to Security Controls

Are there any changes to security controls (access controls, encryption, logging) in this pull request? If so, explain.

CHANGELOG entry

• This change is user-facing and I added a changelog entry.
• This change is not user-facing.

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Overview of commits

• fc5af64

• 7957e41

• 3adf17c

• 579b3cb

• a5e2189

[liamcervante]

I manually cherry-picked the last commit (which was the only one that failed automatically)

[github-actions]

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