Index: Lib/importlib/test/source/test_file_loader.py
===================================================================
--- Lib/importlib/test/source/test_file_loader.py	(revision 72524)
+++ Lib/importlib/test/source/test_file_loader.py	(working copy)
@@ -127,7 +127,7 @@
         self.assert_(module_name in sys.modules)
 
     # [bad magic]
-    @source_util.writes_bytecode
+    @source_util.writes_bytecode_files
     def test_bad_magic(self):
         with source_util.create_modules('_temp') as mapping:
             py_compile.compile(mapping['_temp'])
@@ -140,7 +140,7 @@
                 self.assertEqual(bytecode_file.read(4), imp.get_magic())
 
     # [bad timestamp]
-    @source_util.writes_bytecode
+    @source_util.writes_bytecode_files
     def test_bad_bytecode(self):
         zeros = b'\x00\x00\x00\x00'
         with source_util.create_modules('_temp') as mapping: