test: fix interactive evdev test invocation

rmlvos is the parent list which then fails during a list join because, well,
it's a list of lists.

Fixes #206

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>

test/tool-option-parsing.py

@@ -261,7 +261,7 @@ class TestXkbcli(unittest.TestCase):
     def test_interactive_evdev_rmlvo(self):
         for rmlvo in rmlvos:
             with self.subTest(rmlvo=rmlvo):
-                self.xkbcli_interactive_evdev.run_command_success(rmlvos)
+                self.xkbcli_interactive_evdev.run_command_success(rmlvo)
 
     def test_interactive_evdev(self):
         # Note: --enable-compose fails if $prefix doesn't have the compose tables