AdventOfCode2018: Move tests to the corresponding day

AdventOfCode2018.Tests/Day08_Tests.cs

@@ -2,6 +2,33 @@
 
 public class Day08_Tests
 {
+    [Fact]
+    public void ChronoLicenceNode_BuildFromIntStream__Test()
+    {
+        Day08.IntStream values = new("2 3 0 3 10 11 12 1 1 0 1 99 2 1 1 2");
+        Day08.ChronoLicenceNode result = Day08.ChronoLicenceNode.BuildFromIntStream(values);
+
+        Assert.Equal(2, result.Childs.Count);
+        Assert.Equal(3, result.Metadata.Count);
+        Assert.Equal(1, result.Metadata[0]);
+        Assert.Equal(1, result.Metadata[1]);
+        Assert.Equal(2, result.Metadata[2]);
+
+        Assert.Empty(result.Childs[0].Childs);
+        Assert.Equal(3, result.Childs[0].Metadata.Count);
+        Assert.Equal(10, result.Childs[0].Metadata[0]);
+        Assert.Equal(11, result.Childs[0].Metadata[1]);
+        Assert.Equal(12, result.Childs[0].Metadata[2]);
+
+        Assert.Single(result.Childs[1].Childs);
+        Assert.Single(result.Childs[1].Metadata);
+        Assert.Equal(2, result.Childs[1].Metadata[0]);
+
+        Assert.Empty(result.Childs[1].Childs[0].Childs);
+        Assert.Single(result.Childs[1].Childs[0].Metadata);
+        Assert.Equal(99, result.Childs[1].Childs[0].Metadata[0]);
+    }
+    
     [Fact]
     public void ResolvePart1__Test()
     {