Fix one more TAP test to use standard command-line argument ordering.

Fix one more TAP test to use standard command-line argument ordering.

Commit 84c08a7649b8c6dd488dfe0e37ab017e8059cd33 should have been
back-patched into 9.4, but was not, so this test continued to pass for
the wrong reason there.  Noted while investigating other failures.