/// Using `subkey` command to have expected values from seed derivations (using seed linked to `SUBSTRATE_MNEMONIC` for tests)
/// Using `subkey` command to have expected values from seed derivations (using a newly generated mnemonic `festival insane keep vivid surface photo razor unaware twice sudden involve false` for this test)
///
/// ##### The root seed
/// (from the mnemonic first)
/// ```
/// subkey inspect
/// URI:
/// Secret Key URI `0xfac7959dbfe72f052e5a0c3c8d6530f202b02fd8f9f5ca3580ec8deb7797479e` is account: