add more logic to catch exposures that fail to start/wait for ready cam

[codecov[bot]]

Codecov Report

Base: 54.25% // Head: 54.35% // Increases project coverage by +0.10% :tada:

Coverage data is based on head (b3a4259) compared to base (88176ae). Patch coverage: 40.00% of modified lines in pull request are covered.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## develop #587 +/- ## =========================================== + Coverage 54.25% 54.35% +0.10% =========================================== Files 68 68 Lines 4488 4496 +8 Branches 597 600 +3 =========================================== + Hits 2435 2444 +9 Misses 1926 1926 + Partials 127 126 -1 ``` | [Impacted Files](https://codecov.io/gh/AstroHuntsman/huntsman-pocs/pull/587?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=AstroHuntsman) | Coverage Δ | | |---|---|---| | [src/huntsman/pocs/states/huntsman/sleeping.py](https://codecov.io/gh/AstroHuntsman/huntsman-pocs/pull/587/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=AstroHuntsman#diff-c3JjL2h1bnRzbWFuL3BvY3Mvc3RhdGVzL2h1bnRzbWFuL3NsZWVwaW5nLnB5) | `0.00% <0.00%> (ø)` | | | [src/huntsman/pocs/observatory.py](https://codecov.io/gh/AstroHuntsman/huntsman-pocs/pull/587/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=AstroHuntsman#diff-c3JjL2h1bnRzbWFuL3BvY3Mvb2JzZXJ2YXRvcnkucHk=) | `69.32% <37.50%> (-0.81%)` | :arrow_down: | | [tests/test\_states.py](https://codecov.io/gh/AstroHuntsman/huntsman-pocs/pull/587/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=AstroHuntsman#diff-dGVzdHMvdGVzdF9zdGF0ZXMucHk=) | `99.18% <100.00%> (ø)` | | | [src/huntsman/pocs/archive/archiver.py](https://codecov.io/gh/AstroHuntsman/huntsman-pocs/pull/587/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=AstroHuntsman#diff-c3JjL2h1bnRzbWFuL3BvY3MvYXJjaGl2ZS9hcmNoaXZlci5weQ==) | `90.35% <0.00%> (+1.75%)` | :arrow_up: | | [src/huntsman/pocs/core.py](https://codecov.io/gh/AstroHuntsman/huntsman-pocs/pull/587/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=AstroHuntsman#diff-c3JjL2h1bnRzbWFuL3BvY3MvY29yZS5weQ==) | `55.91% <0.00%> (+4.30%)` | :arrow_up: | Help us with your feedback. Take ten seconds to tell us [how you rate us](https://about.codecov.io/nps?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=AstroHuntsman). Have a feature suggestion? [Share it here.](https://app.codecov.io/gh/feedback/?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=AstroHuntsman)

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