bin.name = "stdio-fixture"
args = ["--unknown-argument"]
status.code = 2
stdout = ""
stderr = """
error: Found argument '--unknown-argument' which wasn't expected, or isn't valid in this context

  If you tried to supply '--unknown-argument' as a value rather than a flag, use '-- --unknown-argument'

Usage: stdio-fixture[EXE] [OPTIONS] [COMMAND]

For more information try '--help'
"""