public void Should_ReturnFalseAndDefaultBusySlot_When_TryExtractBusySlotForEmployeeWith(string line)
        {
            var employeeFileLine = new EmployeeFileLine(line);
            var employeeId       = "424";

            employeeFileLine.TryExtractBusySlotForEmployeeWith(employeeId, out var busySlot).Should().BeFalse();
            busySlot.Should().BeNull();
            busySlot.Should().Be(default);
        public void Should_BeFalse_When_ContainsNameForEmployeeWith(string id, string line)
        {
            var employeeFileLine = new EmployeeFileLine(line);

            employeeFileLine.ContainsNameForEmployeeWith(id).Should().BeFalse();
        }