Initial work on also doing battle stuff in tests.

src/Tester/Test.hpp

@@ -15,6 +15,7 @@ public:
         ctx->Prepare(_function);
         ctx->SetUserData(_env.get());
         auto e = ctx->Execute();
+        _env->CollectGarbage();
         if (e == asEXECUTION_EXCEPTION) {
             _errorMessage = ctx->GetExceptionString();
             _result = TestResult::Failed;