DataStore Crashes if clear() called while PersistentMutationOutbox semaphore is locked

[tylerjroach]

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• I have searched for duplicate or closed issues and discussions.

Language and Async Model

RxJava

Amplify Categories

DataStore

Gradle script dependencies

All known versions of DataStore

Environment information

Please include any relevant guides or documentation you're referencing

No response

Describe the bug

DatastoreCanaryTest.delete had to add a workaround to allow DataStore to hit a settled state before clear is called in teardown.

BasicCloudSyncInstrumentationTest.createThenDelete is ignored due to the same issue.

These tests both quickly initialize datastore, create an item, delete an item, then clear datastore.

The failure is not easy to reproduce, but I believe the cause it due to delete calling aquire on a semaphore then dataStore.clear interrupting the thread.

The fix may be to simply try/catch semaphore.aquire, as an interruption may be safe that the assumption is do to clear being called.

Reproduction steps (if applicable)

Re-enable BasicCloudSyncInstrumentationTest.createThenDelete and run the test multiple times.

Code Snippet

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Log output

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amplifyconfiguration.json

No response

GraphQL Schema

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Additional information and screenshots

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[tylerjroach]

Closing as its a duplicate of #1464

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