diff --git a/helper/resource/testing_new.go b/helper/resource/testing_new.go
index 9c19b0d17c..1b93e0bb96 100644
--- a/helper/resource/testing_new.go
+++ b/helper/resource/testing_new.go
@@ -197,7 +197,7 @@ func runNewTest(ctx context.Context, t testing.T, c TestCase, helper *plugintest
 			continue
 		}
 
-		t.Fatal("Unsupported test mode")
+		t.Fatalf("Step %d/%d, unsupported test mode", i+1, len(c.Steps))
 	}
 }