71         let supported_constraints = MediaTrackSupportedConstraints::from_iter(vec![  in overconstrained()
79             MediaTrackSettings::from_iter([(&DEVICE_ID, "foo".into())]),  in overconstrained()
80             MediaTrackSettings::from_iter([(&DEVICE_ID, "bar".into())]),  in overconstrained()
89         let constraints = ResolvedAdvancedMediaTrackConstraints::from_iter([  in overconstrained()
90             ResolvedMediaTrackConstraintSet::from_iter([(  in overconstrained()
113         let supported_constraints = MediaTrackSupportedConstraints::from_iter(vec![  in constrained()
121             MediaTrackSettings::from_iter([  in constrained()
127             MediaTrackSettings::from_iter([  in constrained()
133             MediaTrackSettings::from_iter([  in constrained()
139             MediaTrackSettings::from_iter([  in constrained()
145             MediaTrackSettings::from_iter([  in constrained()
155         let constraints = ResolvedAdvancedMediaTrackConstraints::from_iter([  in constrained()
158             ResolvedMediaTrackConstraintSet::from_iter([(  in constrained()
164             ResolvedMediaTrackConstraintSet::from_iter([(  in constrained()
172             ResolvedMediaTrackConstraintSet::from_iter([(  in constrained()