diff --git a/Lib/test/test_support.py b/Lib/test/test_support.py
index 73b6fa2..c9fb092 100644
--- a/Lib/test/test_support.py
+++ b/Lib/test/test_support.py
@@ -703,7 +703,9 @@
         elif len(result.failures) == 1 and not result.errors:
             err = result.failures[0][1]
         else:
-            err = "errors occurred; run in verbose mode for details"
+            err = "multiple errors occurred"
+            if not verbose:
+                err += "; run in verbose mode for details"
         raise TestFailed(err)