Merge pull request #1247 from googlefonts/kern-more-tests #3178

Job	Run time
Clippy lints	1m 26s
fontbe tests	54s
fontc tests	1m 9s
tests other than fontbe,fontc	2m 9s
Rustfmt	1m 7s
Build GS and check the result	3m 10s
cargo check no std	1m 37s
resources/scripts/ots_test.sh	1m 5s
cargo check wasm	1m 10s
cargo test fea-rs	1m 0s
	14m 47s

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