diff --git a/tests/stdlib/test_threading_local.py b/tests/stdlib/test_threading_local.py
new file mode 100644
index 0000000..ada5d8e
--- /dev/null
+++ b/tests/stdlib/test_threading_local.py
@@ -0,0 +1,17 @@
+from eventlet.green import thread
+from eventlet.green import threading
+from eventlet.green import time
+
+from test import test_threading_local
+
+test_threading_local.threading = threading
+
+def test_main():
+    import sys
+    sys.modules['thread'] = thread
+    sys.modules['threading'] = threading
+    sys.modules['time'] = time
+    test_threading_local.test_main()
+    
+if __name__ == '__main__':
+    test_main()
\ No newline at end of file
diff --git a/tests/test_threading_local.py b/tests/test_threading_local.py
deleted file mode 100644
index b8114cf..0000000
--- a/tests/test_threading_local.py
+++ /dev/null
@@ -1,55 +0,0 @@
-import unittest
-from doctest import DocTestSuite
-from tests import test_support
-
-class ThreadingLocalTest(unittest.TestCase):
-    def test_derived(self):
-        # Issue 3088: if there is a threads switch inside the __init__
-        # of a threading.local derived class, the per-thread dictionary
-        # is created but not correctly set on the object.
-        # The first member set may be bogus.
-        from eventlet.green import threading
-        from eventlet.green import time
-        class Local(threading.local):
-            def __init__(self):
-                time.sleep(0.01)
-        local = Local()
-
-        def f(i):
-            local.x = i
-            # Simply check that the variable is correctly set
-            self.assertEqual(local.x, i)
-
-        threads= []
-        for i in range(10):
-            t = threading.Thread(target=f, args=(i,))
-            t.start()
-            threads.append(t)
-
-        for t in threads:
-            t.join()
-
-
-def test_main():
-    suite = DocTestSuite('_threading_local')
-
-    try:
-        from eventlet.green.thread import _local
-    except ImportError:
-        pass
-    else:
-        import _threading_local
-        local_orig = _threading_local.local
-        def setUp(test):
-            _threading_local.local = _local
-        def tearDown(test):
-            _threading_local.local = local_orig
-        suite.addTest(DocTestSuite('_threading_local',
-                                   setUp=setUp, tearDown=tearDown)
-                      )
-        suite.addTest(unittest.makeSuite(ThreadingLocalTest))
-
-    test_support.run_suite(suite)
-
-if __name__ == '__main__':
-    test_main()