[mutter] tests/dbus-runner: Don't consume options after '--'

[Marge Bot <marge-bot src gnome org>]

commit d2c4914546c908e1b9a93fd595ca987705249fb6
Author: Jonas Ådahl <jadahl gmail com>
Date:   Thu Aug 4 16:32:49 2022 +0200

    tests/dbus-runner: Don't consume options after '--'
    
    This allows passing arguments to test cases that conflict with
    meta-dbus-runner.py.
    
    Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2561>

 src/tests/meta-dbus-runner.py | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)
---
diff --git a/src/tests/meta-dbus-runner.py b/src/tests/meta-dbus-runner.py
index adb7d815cc..512328c352 100755
--- a/src/tests/meta-dbus-runner.py
+++ b/src/tests/meta-dbus-runner.py
@@ -176,13 +176,17 @@ if __name__ == '__main__':
     parser.add_argument('--kvm', action='store_true', default=False)
     (args, rest) = parser.parse_known_args(sys.argv)
 
+    rest.pop(0)
+    if rest[0] == '--':
+      rest.pop(0)
+
     MutterDBusTestCase.setUpClass(args.kvm)
     test_case = MutterDBusTestCase()
-    test_case.assertGreater(len(rest), 1)
+    test_case.assertGreater(len(rest), 0)
     result = 1
     try:
         print('Running test case...', file=sys.stderr)
-        result = test_case.wrap_call(rest[1:])
+        result = test_case.wrap_call(rest)
     finally:
         MutterDBusTestCase.tearDownClass()
     sys.exit(result)