l2cap test is a false pass

[hicklin]

Running the cargo test --test l2cap -- --nocapture test passes successfully. However, as can be noted from the following log, this pass is fake.

running 1 test
[peripheral] advertising
[central] connecting
Test completed successfully
test l2cap_connection_oriented_channels ... ok

test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.02s

Only the initial prints from the peripheral and central threads are shown. On some investigation, it seems that the timeout match statement is returning Ok() before either of the central or peripheral threads had a chance to complete. This does not return an error and hence falls in the final arm of the match indicating the test has passed without it being run.

[lulf]

Nice catch! Luckily the test seems to be running with success in CI 😅 Not the prettiest fix.