[Python-checkins] bpo-37124: Fix reference leak in test_msilib (GH-13750)

[Miss Islington (bot)]

https://github.com/python/cpython/commit/c9015a7228029bb22fa581b31c4c1ebdc2882814
commit: c9015a7228029bb22fa581b31c4c1ebdc2882814
branch: 3.7
author: Miss Islington (bot) <31488909+miss-islington at users.noreply.github.com>
committer: GitHub <noreply at github.com>
date: 2019-06-24T04:56:17-07:00
summary:

bpo-37124: Fix reference leak in test_msilib (GH-13750)

(cherry picked from commit c0295dba259accc4b247beb22a0b2cc2f31d9850)

Co-authored-by: Pablo Galindo <Pablogsal at gmail.com>

files:
M Lib/test/test_msilib.py

diff --git a/Lib/test/test_msilib.py b/Lib/test/test_msilib.py
index 265eaea59b5f..392886c6a967 100644
--- a/Lib/test/test_msilib.py
+++ b/Lib/test/test_msilib.py
@@ -86,6 +86,7 @@ def test_get_property_vt_empty(self):
     def test_directory_start_component_keyfile(self):
         db, db_path = init_database()
         self.addCleanup(db.Close)
+        self.addCleanup(msilib._directories.clear)
         feature = msilib.Feature(db, 0, 'Feature', 'A feature', 'Python')
         cab = msilib.CAB('CAB')
         dir = msilib.Directory(db, cab, None, TESTFN, 'TARGETDIR',