Allow for retries when checking if the emulator is running #1459
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What
Add a retry when checking to see if the ledger emulator container is fully up and running.
The reason we were experiencing intermittent failures with these tests is because when checking if the emulator was fully up and running, sometimes the container wouldn't even be started yet, and would panic in the
wait_for_emulator_start_text
fn. This change adds a retry with exponential backoff so if the container isn't up yet, and the request fails, it will try again after waiting.Closes #1379
Why
These tests were flakey, and it was annoying! 😜
Known limitations
N/A