Testing error_level:
Testing warning_level:
Testing verbose_level:
'-b' argument is present.
'--string' argument value is 'my string'
Testing error_level:
Testing warning_level:
Testing verbose_level:
'-b' argument is present.
'--string' argument value is 'my string'
Testing error_level:
Testing warning_level:
Testing verbose_level:
'-b' argument is present.
'--string' argument value is 'my string'
