tests/gamepads: do not consider gamepads as joystick by default

The Saitek gamepad I used is exporting itself as a joystick, but this
is not the rule. Make this a special case.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>
4 jobs for master in 3 minutes and 26 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Test
passed #761532
flake

00:01:41

passed #761533
install

00:01:41

passed #761584
install_no_man_pages

00:01:44

failed #761534
install_no_man_pages

00:00:18