tests: use subTest in test_unparse.test_files

d04e417b · Yury Selivanov · feea6e7b · d04e417b
Commit d04e417b authored Sep 09, 2016 by Yury Selivanov
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Lib/test/test_tools/test_unparse.py Lib/test/test_tools/test_unparse.py +3 -2

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--- a/Lib/test/test_tools/test_unparse.py
+++ b/Lib/test/test_tools/test_unparse.py
@@ -293,8 +293,9 @@ class DirectoryTestCase(ASTTestCase):
                    print(f'Skipping {filename}: see issue 27921')
                continue

-            source = read_pyfile(filename)
-            self.check_roundtrip(source)
+            with self.subTest(filename=filename):
+                source = read_pyfile(filename)
+                self.check_roundtrip(source)


 if __name__ == '__main__':