Must create files for tests, else they are remoed from manifests

setuptools/tests/test_sdist.py

@@ -173,6 +173,9 @@ class TestSdistTest(unittest.TestCase):
             # UTF-8 filename
             filename = os.path.join(b('sdist_test'), b('smörbröd.py'))
 
+            #Must touch the file or risk removal
+            open(filename, "w").close()
+
             # Add filename and write manifest
             with quiet():
                 mm.run()