Retry subscription with autocreate not working properly

[dikatok]

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A screenshot that you have tested with "Try this API".

This is SDK problem

Link to the code that reproduces this issue. A link to a public Github Repository or gist with a minimal reproduction.

https://gist.github.com/dikatok/1d5bdf555ea08c041539e28e35bf2d03

A step-by-step description of how to reproduce the issue, based on the linked reproduction.

"@google-cloud/pubsub": "4.8.0"
firebase-tools 13.28.0

1. Run local pubsub emulator (I am using the one bundled with Firebase emulator suite)
2. Run the subscriber
3. Stop the emulator
4. Subscriber will retry to reconnect

5. Run the emulator again
6. Subscriber reconnects but will throw an error about subscription is not exist and not retrying again

A clear and concise description of what the bug is, and what you expected to happen.

Subscriber would retry to connect successfully and re-create the subscription since autocreate is set to true

A clear and concise description WHY you expect this behavior, i.e., was it a recent change, there is documentation that points to this behavior, etc. **

Subscriber would re-create the subscription and try to reconnect