refactor: remove unittest.assertCountEqual

Another step toward removing unittest.TestCase.

1 files changed, 0 insertions, 25 deletions

diff --git a/coverage/backunittest.py b/coverage/backunittest.py
deleted file mode 100644
index 8b66c0f1..00000000
--- a/coverage/backunittest.py
+++ /dev/null
@@ -1,25 +0,0 @@
-# Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0
-# For details: https://github.com/nedbat/coveragepy/blob/master/NOTICE.txt
-
-"""Implementations of unittest features from the future."""
-
-import unittest
-
-
-def unittest_has(method):
-    """Does `unittest.TestCase` have `method` defined?"""
-    return hasattr(unittest.TestCase, method)
-
-
-class TestCase(unittest.TestCase):
-    """Just like unittest.TestCase, but with assert methods added.
-
-    Designed to be compatible with 3.1 unittest.  Methods are only defined if
-    `unittest` doesn't have them.
-
-    """
-    # pylint: disable=signature-differs
-
-    if not unittest_has('assertCountEqual'):
-        def assertCountEqual(self, *args, **kwargs):
-            return self.assertItemsEqual(*args, **kwargs)