Introduce rabbit_ct_helpers:await_condition_* helpers which ignore exceptions

[Ayanda-D]

Proposed Changes

Follow up to #14264 - adding new set of rabbit_ct_helpers specific to waiting while ignoring exceptions, & retaining behaviour of existing await_condition functions which should terminate/fail on exceptions.

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[ansd]

Instead of introducing these 3 functions, can't you just use a try ... catch in the ConditionFun returning false in the catch block?

[michaelklishin]

@Ayanda-D someone on our team wonders, have you considered having try… catch blocks in the Condition function? Or is it exactly the problem you are trying to solve here, the need to specify a try… catch block in so many times it becomes very repetitive?

[Ayanda-D]

@michaelklishin @ansd yeah, thats the problem we're trying to solve here - to avoid repeating the same code logic on many tests (and across different multiple plugins) and just re-use from rabbit_ct_helpers.