[Multiple Datasource Test] Increase test coverage for data_source_error_menu

[yujin-emma]

Is your feature request related to a problem? Please describe.

Increase test coverage for data_source_error_menu Describe the solution you'd like

Increase test coverage for data_source_error_menu Describe alternatives you've considered

A clear and concise description of any alternative solutions or features you've considered.

Additional context

Add any other context or screenshots about the feature request here.