tests

fix: wait for peer ACK in `notify` and `notify_0rtt` before returning #261

Job	Run time
lint	24s
test (ubuntu-latest, x86_64-unknown-linux-gnu, Linux GNU, stable)	46s
minimal-crates	44s
test (windows-latest, x86_64-pc-windows-msvc, Windows MSVC, stable)	2m 54s
test (macOS-latest, x86_64-apple-darwin, macOS, stable)	1m 8s
check-deps	23s
Build wasm32	1m 15s
test (windows-latest, x86_64-pc-windows-gnu, Windows GNU, stable)	3m 1s
Checking docs	1m 39s
test-release (ubuntu-latest, x86_64-unknown-linux-gnu, Linux GNU, stable)	29s
test-release (macOS-latest, x86_64-apple-darwin, macOS, stable)	38s
test-release (windows-latest, x86_64-pc-windows-msvc, Windows MSVC, stable)	1m 30s
test-release (windows-latest, x86_64-pc-windows-msvc, Windows MSVC, beta)	1m 51s
test-release (macOS-latest, x86_64-apple-darwin, macOS, beta)	57s
test-release (ubuntu-latest, x86_64-unknown-linux-gnu, Linux GNU, beta)	34s
test-release (windows-latest, x86_64-pc-windows-gnu, Windows GNU, stable)	1m 46s
test-release (windows-latest, x86_64-pc-windows-gnu, Windows GNU, beta)	1m 51s
	21m 50s

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