adding unit tests

[pritidesai]

Changes

Discovered some code didnt have any coverage, adding unit tests:

1. reconciler with invalid dag graph must result in error
2. pipeline must result in timeout if its runtime exceeds its spec.Timeout

Submitter Checklist

These are the criteria that every PR should meet, please check them off as you
review them:

• Includes tests (if functionality changed/added)
• Includes docs (if user facing)
• Commit messages follow commit message best practices
• Release notes block has been filled in or deleted (only if no user facing changes)

See the contribution guide for more details.

Double check this list of stuff that's easy to miss:

• If you are adding a new binary/image to the cmd dir, please update
  the release Task to build and release this image.

Reviewer Notes

If API changes are included, additive changes must be approved by at least two OWNERS and backwards incompatible changes must be approved by more than 50% of the OWNERS, and they must first be added in a backwards compatible way.

[pritidesai]

/kind misc
/area testing

[tekton-robot]

The following is the coverage report on the affected files.
Say /test pull-tekton-pipeline-go-coverage to re-run this coverage report

File	Old Coverage	New Coverage	Delta
pkg/reconciler/pipelinerun/pipelinerun.go	84.2%	84.7%	0.5
pkg/reconciler/pipelinerun/resources/pipelinerunresolution.go	91.8%	92.2%	0.4

[vdemeester]

/lgtm

[tekton-robot]

This PR cannot be merged: expecting exactly one kind/ label

Available kind/ labels are:

kind/bug: Categorizes issue or PR as related to a bug.
kind/flake: Categorizes issue or PR as related to a flakey test
kind/cleanup: Categorizes issue or PR as related to cleaning up code, process, or technical debt.
kind/design: Categorizes issue or PR as related to design.
kind/documentation: Categorizes issue or PR as related to documentation.
kind/feature: Categorizes issue or PR as related to a new feature.
kind/misc: Categorizes issue or PR as a miscellaneuous one.

[tekton-robot]

This PR cannot be merged: expecting exactly one kind/ label

Available kind/ labels are:

kind/bug: Categorizes issue or PR as related to a bug.
kind/flake: Categorizes issue or PR as related to a flakey test
kind/cleanup: Categorizes issue or PR as related to cleaning up code, process, or technical debt.
kind/design: Categorizes issue or PR as related to design.
kind/documentation: Categorizes issue or PR as related to documentation.
kind/feature: Categorizes issue or PR as related to a new feature.
kind/misc: Categorizes issue or PR as a miscellaneuous one.

[afrittoli]

Thanks!
/lgtm

[afrittoli]

/test pull-tekton-pipeline-integration-tests

[bobcatfish]

Nice!!! Thanks for adding these @pritidesai !!! ❤️ 🙏

/approve
/meow

[tekton-robot]

@bobcatfish:

In response to this:

Nice!!! Thanks for adding these @pritidesai !!! ❤️ 🙏

/approve
/meow

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[tekton-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: bobcatfish

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• OWNERS [bobcatfish]

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