refactor(TestBase): add ConfigureServices-callback method to be able to add custom services to testes

EnvelopeGenerator.Tests.Application/HistoryTests.cs

@@ -4,12 +4,17 @@ using EnvelopeGenerator.Application.Histories.Commands;
 using EnvelopeGenerator.Application.Histories.Queries;
 using EnvelopeGenerator.Domain.Constants;
 using EnvelopeGenerator.Domain.Entities;
+using Microsoft.Extensions.DependencyInjection;
 
 namespace EnvelopeGenerator.Tests.Application;
 
 [TestFixture]
 public class HistoryTests : TestBase
 {
+    protected override void ConfigureServices(IServiceCollection services)
+    {
+    }
+
     [SetUp]
     public override Task Setup()
     {