https://github.com/NovaCrypto/BIP32/blob/440d5f224e55f45e90db769ce16db6a10370d1ce/src/test/java/io/github/novacrypto/bip32/ExtendedPrivateKeyEdgeCases.java#L40 Should be 1 in 2^127.
BIP32/src/test/java/io/github/novacrypto/bip32/ExtendedPrivateKeyEdgeCases.java
Line 40 in 440d5f2
Should be 1 in 2^127.