Fixed missing logger issue in tests

Author: csharpfritz

Fritz.InstantAPIs.sln

@@ -17,6 +17,7 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution
 		.editorconfig = .editorconfig
 		CODE-OF-CONDUCT.md = CODE-OF-CONDUCT.md
 		CONTRIBUTING.md = CONTRIBUTING.md
+		RELEASE_NOTES.txt = RELEASE_NOTES.txt
 	EndProjectSection
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Test", "Test\Test.csproj", "{CD123B01-1B52-4E80-84F7-4D10E01EE10F}"

Fritz.InstantAPIs/WebApplicationExtensions.cs

@@ -2,6 +2,7 @@
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
 using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Logging.Abstractions;
 using Microsoft.Extensions.Options;
 using System.Reflection;
 
@@ -36,8 +37,12 @@ public static IEndpointRouteBuilder MapInstantAPIs<D>(this IEndpointRouteBuilder
 	private static void MapInstantAPIsUsingReflection<D>(IEndpointRouteBuilder app, IEnumerable<TypeTable> requestedTables) where D : DbContext
 	{
 
-		var loggerFactory = app.ServiceProvider.GetRequiredService<ILoggerFactory>();
-		var logger = loggerFactory.CreateLogger(LOGGER_CATEGORY_NAME);
+		ILogger logger = NullLogger.Instance;
+		if (app.ServiceProvider != null)
+		{
+			var loggerFactory = app.ServiceProvider.GetRequiredService<ILoggerFactory>();
+			logger = loggerFactory.CreateLogger(LOGGER_CATEGORY_NAME);
+		}
 
 		var allMethods = typeof(MapApiExtensions).GetMethods(BindingFlags.NonPublic | BindingFlags.Static).Where(m => m.Name.StartsWith("Map")).ToArray();
 		var initialize = typeof(MapApiExtensions).GetMethod("Initialize", BindingFlags.NonPublic | BindingFlags.Static);