Test

Remove branch transaction methods because they do not exist anymore. #58

Job	Run time
test (win-x64, windows-latest)	1m 31s
test (linux-x64, ubuntu-latest)	42s
test (linux-x64-musl, ubuntu-latest)	38s
test (macos-x86_64, macos-latest)	45s
	3m 36s

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