public void ResolveOverriden_MalformedCalendar_IsExpected()
        {
            var sut    = new ScheduleNameResolver(MalformedCalendar);
            var result = sut.ResolveOverriden(DateTime.Today);

            result.Should().BeNull();
        }
        public void ResolveDefault_InvalidCalendar_IsExpected()
        {
            var sut    = new ScheduleNameResolver(InvalidCalendar);
            var result = sut.ResolveDefault(DateTime.Today);

            result.Should().BeNull();
        }
        public void ResolveDefault_GivenData_IsExpected(string date, string expected)
        {
            var sut    = new ScheduleNameResolver(Calendar);
            var result = sut.ResolveDefault(DateTime.Parse(date));

            result.Should().Be(expected);
        }