fix(test-utils): Don't swallow assertion errors from checkResult and checkCollector

[onurtemizkan]

Which problem is this PR solving?

• Assertion errors thrown inside runTextFixture are swallowed and not reported.

Short description of the changes

• Reject the runTestFixture promise with the thrown error, if there is one.
• Updated Hapi tests that seem to be silently failing before this update.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.75%. Comparing base (baccd98) to head (adef664).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2588      +/-   ##
==========================================
- Coverage   90.80%   90.75%   -0.05%     
==========================================
  Files         169      169              
  Lines        8026     8026              
  Branches     1635     1635              
==========================================
- Hits         7288     7284       -4     
- Misses        738      742       +4     

see 1 file with indirect coverage changes

[github-actions]

This package does not have an assigned component owner and is considered unmaintained. As such this package is in feature-freeze and this PR will be closed with 14 days unless a new owner or a sponsor (a member of @open-telemetry/javascript-approvers) for the feature is found. It is the responsibility of the author to find a sponsor for this feature.
Are you familiar with this package? Consider becoming a component owner.

[pichlermarc]

looks good, thanks 👍