diff --git a/Lib/test/test_fileio.py b/Lib/test/test_fileio.py
index 5a0e1a6..cbc7165 100644
--- a/Lib/test/test_fileio.py
+++ b/Lib/test/test_fileio.py
@@ -7,7 +7,7 @@
 from array import array
 from weakref import proxy
 
-from test.test_support import TESTFN, findfile, run_unittest
+from test.test_support import TESTFN, findfile, check_warnings, run_unittest
 from UserList import UserList
 
 import _fileio
@@ -241,6 +241,14 @@
     def testInvalidInit(self):
         self.assertRaises(TypeError, _fileio._FileIO, "1", 0, 0)
 
+    def testWarnings(self):
+        with check_warnings() as w:
+            self.assertEqual(w.warnings, [])
+            self.assertRaises(TypeError, _fileio._FileIO, [])
+            self.assertEqual(w.warnings, [])
+            self.assertRaises(ValueError, _fileio._FileIO, "/some/invalid/name", "rt")
+            self.assertEqual(w.warnings, [])
+
 
 def test_main():
     # Historically, these tests have been sloppy about removing TESTFN.
diff --git a/Lib/test/test_io.py b/Lib/test/test_io.py
index 08a524f..9ef2a81 100644
--- a/Lib/test/test_io.py
+++ b/Lib/test/test_io.py
@@ -1236,13 +1236,6 @@
             else:
                 self.assert_(issubclass(obj, io.IOBase))
 
-    def test_fileio_warnings(self):
-        with test_support.check_warnings() as w:
-            self.assertEqual(w.warnings, [])
-            self.assertRaises(TypeError, io.FileIO, [])
-            self.assertEqual(w.warnings, [])
-            self.assertRaises(ValueError, io.FileIO, "/some/invalid/name", "rt")
-            self.assertEqual(w.warnings, [])
 
 def test_main():
     test_support.run_unittest(IOTest, BytesIOTest, StringIOTest,