message: Fix: software wallet class unit tests after rebase
diff: @@ -32,6 +32,9 @@ const mnemonic = 'mocked-mnemonic';
  const password = 'mocked-encryption-password';
  const keystore = 'mocked-keystore';
  const derivationPath = 'mocked-derivation-path';
  +const mockedEthersSignMessage = {
  + bind: jest.fn(),
  +};
  const mockedArgumentsObject = {
  address,
  privateKey,
  