1. Launch the blob service with the command: `RUST_LOG=blob=trace cargo run -- --sandbox --localstack-url "http://127.0.0.1:4566" --http-port 50053`.
2. In `services/commtest`, run `yarn run-integration-tests blob`. The test should pass.
3. Comment out lines 36-44 and 92-99.
4. Run the test twice. An error should occur.
5. Uncomment lines 92-99 and run the test twice again. This time, the test should pass.