Refactor code structure and optimize performance across multiple modules

src/Concelier/__Tests/StellaOps.Concelier.Connector.Distro.Ubuntu.Tests/UbuntuConnectorTests.cs

@@ -34,11 +34,13 @@ public sealed class UbuntuConnectorTests
         _fixture = fixture;
     }
 
-    [Fact]
+    [Trait("Category", TestCategories.Unit)]
+        [Fact]
     public async Task FetchParseMap_GeneratesEvrRangePrimitives()
     {
         await using var harness = await BuildHarnessAsync();
 
+using StellaOps.TestKit;
         SeedInitialResponses(harness.Handler);
 
         var connector = harness.ServiceProvider.GetRequiredService<UbuntuConnector>();