message: fix prop value change test
diff: @@ -214,7 +214,7 @@ test('resolves value getters for components', t => {
  t.is(context(), lg.component);
  t.is(getter(context()), 'first');
  - lg.component.internalValue = 'second'; // simulate change.
  + lg.component.value = 'second'; // simulate change.
  t.is(getter(context()), 'second');
  });
  