1 files changed, 6 insertions, 4 deletions
diff --git a/Lib/test/test_StringIO.py b/Lib/test/test_StringIO.py
index e484f79..d10255d 100644
--- a/Lib/test/test_StringIO.py
+++ b/Lib/test/test_StringIO.py
@@ -137,10 +137,12 @@ class TestBuffercStringIO(TestcStringIO):
 
 
 def test_main():
-    test_support.run_unittest(TestStringIO, TestcStringIO)
-    # Silence Py3k warning
-    with test_support.check_warnings():
-        test_support.run_unittest(TestBufferStringIO, TestBuffercStringIO)
+    test_support.run_unittest(
+        TestStringIO,
+        TestcStringIO,
+        TestBufferStringIO,
+        TestBuffercStringIO
+    )
 
 if __name__ == '__main__':
     test_main()