Remove unused imports in test modules.
diff --git a/Lib/test/test_inspect.py b/Lib/test/test_inspect.py
index be469cb..451d309 100644
--- a/Lib/test/test_inspect.py
+++ b/Lib/test/test_inspect.py
@@ -4,7 +4,7 @@
 import inspect
 import datetime
 
-from test.test_support import TESTFN, run_unittest
+from test.test_support import run_unittest
 
 from test import inspect_fodder as mod
 from test import inspect_fodder2 as mod2