Still dispose helper

Author: Rosuavio

UITests/UITests.Tests.Shared/UITestBase.cs

@@ -178,6 +178,7 @@ public async Task TestInitialize()
         [TestCleanup]
         public async Task TestCleanup()
         {
+            helper.Dispose();
             TestEnvironment.ShouldRestartApplication = true;
             TestCleanupHelper.Cleanup();
         }