Prevent race condition waiting for condition

[pablochacin]

Description

Apply a get-then-watch strategy when waiting for conditions in a Pod, to avoid situations when the watch misses the change that made the condition true.

Fixes #280

Checklist:

• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have added tests that prove my fix is effective or that my feature works.
• I have run linter locally (make lint) and all checks pass.
• I have run tests locally (make test) and all tests pass.
• I have run relevant e2e test locally (make e2e-xxx for agent, disruptors, kubernetes or cluster related changes)
• Any dependent changes have been merged and published in downstream modules
  

[roobre]

Looking good so far. Should we add a few integration tests for this logic?

I would love to have a couple tests checking that the function works whether when this function is called after or before the state is changed to "Running".

[pablochacin]

I would love to have a couple tests checking that the function works whether when this function is called after or before the state is changed to "Running".

That is what the TestPods_Wait tests do.

[roobre]

That is what the TestPods_Wait tests do.

🤦🏻‍♀️ Should have checked that before saying anything