update GarbageCollectionTests

Author: gustavopsantos

Assets/Reflex.EditModeTests/GarbageCollectionTests.cs

@@ -4,6 +4,7 @@
 using FluentAssertions;
 using NUnit.Framework;
 using Reflex.Core;
+using UnityEditor.Compilation;
 using UnityEngine;
 
 namespace Reflex.EditModeTests
@@ -20,6 +21,15 @@ public static void ForceGarbageCollection()
             GC.Collect();
             GC.WaitForPendingFinalizers();
         }
+        
+        [OneTimeSetUp]
+        public void Setup()
+        {
+            if (CompilationPipeline.codeOptimization == CodeOptimization.Debug)
+            {
+                Assert.Inconclusive("GC works differently in Debug mode. Please run tests in Release mode.");
+            }
+        }
 
         [Test, Retry(3)]
         public void Singleton_ShouldBeFinalized_WhenOwnerIsDisposed()