clean up in unittest: remove size_test_* files

diff --git a/testing/test_multivol.py b/testing/test_multivol.py
index 15c1e2b..ac5d2fa 100644 (file)
--- a/testing/test_multivol.py
+++ b/testing/test_multivol.py
@@ -219,6 +219,10 @@ class MultivolGnuFormatTest(BaseTest):
         assert max_err < 13*1024
         assert max_err_post == 0
 
+        # clean up
+        for file_name in file_names:
+            os.unlink(file_name)
+
     def test_multivol_compress_warning(self):
         """ check warning being issued if compressing multivolume with w: """
         with self.assertWarns(UserWarning):