refactor-864370: Prevent output
refactor-864370: Prevent output

Previously this test created output, which tests are not supposed to do
this version doesn't.

Signed-off-by: Joe Walker <7a17872fbb32c7d760c9a16ee3076daead11efcf@mozilla.com>

mozilla/gcli,mozilla/gcli,mozilla/gcli,joewalker/gcli,joewalker/gcli