Fixed some issues mentioned by adapter-checker #306

Job	Run time
skip-ci	0s
check-and-lint (18.x)	13s
check-and-lint (20.x)	10s
check-and-lint (22.x)	14s
adapter-tests (18.x, ubuntu-latest)	44s
adapter-tests (18.x, windows-latest)	5m 13s
adapter-tests (18.x, macos-latest)	49s
adapter-tests (20.x, ubuntu-latest)	42s
adapter-tests (20.x, windows-latest)	3m 25s
adapter-tests (20.x, macos-latest)	42s
adapter-tests (22.x, ubuntu-latest)	42s
adapter-tests (22.x, windows-latest)	3m 33s
adapter-tests (22.x, macos-latest)	56s
deploy	0s
	17m 23s

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