Accept fluent assertions license

https://fluentassertions.com/introduction#licensing

Author: gitfool

Tests/AssemblyInitializers.cs

@@ -0,0 +1,8 @@
+[assembly: AssertionEngineInitializer(typeof(AssemblyInitializers), nameof(AssemblyInitializers.AcceptLicense))]
+
+namespace BoardGameGeek.Dungeon;
+
+public static class AssemblyInitializers
+{
+    public static void AcceptLicense() => License.Accepted = true;
+}

Tests/GlobalUsings.cs

@@ -1,7 +1,9 @@
 global using System;
 global using System.Diagnostics.CodeAnalysis;
+global using BoardGameGeek.Dungeon;
 global using BoardGameGeek.Dungeon.Models;
 global using FluentAssertions;
+global using FluentAssertions.Extensibility;
 global using Microsoft.Extensions.Logging;
 global using Serilog;
 global using Serilog.Extensions.Logging;