win: GC.collect on all TC.tearDown to fix appveyor hang runs

+ Fixed the hangs at `test_git:TestGit.test_handle_process_output()`.
[travisci skip]

1 files changed, 6 insertions, 2 deletions

diff --git a/git/test/test_diff.py b/git/test/test_diff.py
index 9fdb26a2..8735dfc4 100644
--- a/git/test/test_diff.py
+++ b/git/test/test_diff.py
@@ -28,6 +28,10 @@ from git import (
 
 class TestDiff(TestBase):
 
+    def tearDown(self):
+        import gc
+        gc.collect()
+
     def _assert_diff_format(self, diffs):
         # verify that the format of the diff is sane
         for diff in diffs:
@@ -107,12 +111,12 @@ class TestDiff(TestBase):
     def test_diff_of_modified_files_not_added_to_the_index(self):
         output = StringProcessAdapter(fixture('diff_abbrev-40_full-index_M_raw_no-color'))
         diffs = Diff._index_from_raw_format(self.rorepo, output.stdout)
-        
+
         assert len(diffs) == 1, 'one modification'
         assert len(list(diffs.iter_change_type('M'))) == 1, 'one modification'
         assert diffs[0].change_type == 'M'
         assert diffs[0].b_blob is None
-        
+
     def test_binary_diff(self):
         for method, file_name in ((Diff._index_from_patch_format, 'diff_patch_binary'),
                                   (Diff._index_from_raw_format, 'diff_raw_binary')):