[TEST] Add unit tests for VanityGen · PIVX-Labs/MyPIVXWallet@6ae3615

The following actions uses node12 which is deprecated and will be forced to run on node16: actions/checkout@v2, actions/setup-node@v1. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/

'Contact' is defined but never used

'wallet' is defined but never used

'Account' is defined but never used

'IDBPDatabase' is defined but never used

'publicKey' is defined but never used. Allowed unused args must match /^_/u

'LegacyMasterKey' is defined but never used

'start' is defined but never used

'AppBtc' is defined but never used

'TransportWebUSB' is defined but never used

'_' is assigned a value but never used

Provide feedback