chore(protocol): Test Coverage for Outputting a Frame #632

Job	Run time
test stable --no-default-features	43s
doctest	40s
wasm-unknown	56s
test stable	1m 12s
clippy	49s
feature-checks	1m 21s
test stable --all-features	1m 20s
docs	22s
test nightly --no-default-features	41s
no-std	20s
wasm-wasi	35s
test nightly	1m 1s
test nightly --all-features	1m 21s
cfg-check	18s
examples	59s
test 1.81 --no-default-features	27s
test 1.81	47s
feature-powerset	1m 20s
fmt	16s
	15m 28s

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