public void Can_compute_percent_with_zero_total()
{
_counter.Increment("A");
_counter.Decrement("A");
_counter.Value.Count.Should().Be(0);
_counter.Value.Items[0].Item.Should().Be("A");
_counter.Value.Items[0].Count.Should().Be(0);
_counter.Value.Items[0].Percent.Should().Be(0);
}