message: Fix: `purser-ledger` sign requirements unit tests
diff: @@ -61,6 +61,12 @@ const mockedSignatureObject = {
  describe('Ledger` Hardware Wallet Module', () => {
  describe('`LedgerWallet` class', () => {
  + afterEach(() => {
  + signTransaction.mockClear();
  + signMessage.mockClear();
  + verifyMessage.mockClear();
  + userInputValidator.mockClear();
  + });
  test('Creates a new wallet instance', () => {
  const ledgerWallet = new LedgerWalletClass(mockedInstanceArgument);
  expect(ledgerWallet).toBeInstanceOf(LedgerWalletClass);
  @@ -145,7 +151,6 @@ describe('Ledger` Hardware Wallet Module', () => {
  expect(userInputValidator).toHaveBeenCalled();
  expect(userInputValidator).toHaveBeenCalledWith({
  firstArgument: mockedTransactionObject,
  - requiredAll: REQUIRED_PROPS.SIGN_TRANSACTION,
  });
  });
  test(
  