Update goleak check and improve goroutine test check

[aledbf]

No description provided.

[derek]

Thank you for your contribution. I've just checked and your commit doesn't appear to be signed-off. That's something we need before your Pull Request can be merged. Please see our contributing guide.
Tip: if you only have one commit so far then run: git commit --amend --signoff and then git push --force.

[derek]

Thank you for your contribution. I've just checked and your Pull Request doesn't appear to have any description.
That's something we need before your Pull Request can be merged. Please see our contributing guide.