promise_test(t => {
return promise_rejects_js(
t, TypeError, navigator.managed.getManagedConfiguration(-1));
}, 'Number instead of keys');
promise_test(t => {
return promise_rejects_js(
t, TypeError, navigator.managed.getManagedConfiguration());
}, 'Empty key list');
promise_test(t => {
return promise_rejects_js(
t, TypeError, navigator.managed.getManagedConfiguration({'a': 2}));
}, 'Dictionary instead of list');