AIO commit

Sorry for the late commit, forgot to commit and push it on Saturday 7th.
Thank god there are moodle reminders

AdventOfCode/AdventOfCode.Test/Day7Test.cs

@@ -0,0 +1,24 @@
+namespace AdventOfCode.Test;
+
+public sealed class Day7Test
+{
+    private string input = "190: 10 19\r\n3267: 81 40 27\r\n83: 17 5\r\n156: 15 6\r\n7290: 6 8 6 15\r\n161011: 16 10 13\r\n192: 17 8 14\r\n21037: 9 7 18 13\r\r\n292: 11 6 16 20";
+    
+    [Fact]
+    public void TestPart1()
+    {
+        const int Expected = 3749;
+        
+        var day = new Day7();
+        Assert.Equal(Expected, day.Part1(input));
+    }
+    
+    [Fact]
+    public void TestPart2()
+    {
+        const int Expected = 11387;
+        
+        var day = new Day7();
+        Assert.Equal(Expected, day.Part2(input));
+    }
+}