public void Convert_AndAllTrue_ReturnsVisible()
 {
     object[] trueBooleans = { true, true, true };
     Assert.AreEqual(
         _converter.Convert(trueBooleans, null, "AND", null), Visibility.Visible);
 }
        public void MultiBooleanToVisibilityConverter_AllTrueTest()
        {
            var allTrue = new object[] { true, true, true };

            Assert.IsTrue(Visibility.Visible == (Visibility)converter.Convert(allTrue, null, null, null));
        }