new_contents: import os
  
  import salt.modules.dpkg_lowpkg as dpkg
  from tests.support.mock import MagicMock, mock_open, patch
  
  
  def test_get_pkg_license():
      """
      Test _get_pkg_license for ignore errors on reading license from copyright files
      """
      license_read_mock = mock_open(read_data="")
      with patch.object(os.path, "exists", MagicMock(return_value=True)), patch(
          "salt.utils.files.fopen", license_read_mock
      ):
          dpkg._get_pkg_license("bash")
  
          assert license_read_mock.calls[0].args[0] == "/usr/share/doc/bash/copyright"
          assert license_read_mock.calls[0].kwargs["errors"] == "ignore"
  
subject: Add test for license reading with dpkg_lowpkg