fix: C# day 02

Author: ythirion

exercise/C#/day02/Games.Tests/FizzBuzzTests.cs

@@ -1,3 +1,4 @@
+using FluentAssertions;
 using FluentAssertions.LanguageExt;
 using FsCheck;
 using FsCheck.Xunit;
@@ -25,7 +26,7 @@ public class FizzBuzzTests
         public void Returns_Number_Representation(int input, string expectedResult)
             => Games.FizzBuzz.Convert(input)
                 .Should()
-                .BeSome(expectedResult);
+                .BeSome(x => x.Should().Be(expectedResult));
 
         [Property]
         public Property Parse_Return_Valid_String_For_Numbers_Between_1_And_100()

exercise/C#/day02/Games/FizzBuzz.cs

@@ -7,12 +7,12 @@ public static class FizzBuzz
         public const int Min = 1;
         public const int Max = 100;
 
-        private static readonly Map<int, string> Mapping =
-            Map.create(
-                (15, "FizzBuzz"),
-                (3, "Fizz"),
-                (5, "Buzz")
-            );
+        private static readonly Dictionary<int, string> Mapping = new()
+            {
+                {15, "FizzBuzz"},
+                {3, "Fizz"},
+                {5, "Buzz"}
+            };
 
         public static Option<string> Convert(int input)
             => IsOutOfRange(input)