441ac7c0bf
With the removal of Python 2.x we can remove the unittest2 compat wrappers and switch to assertCountEqual instead of assertItemsEqual We have been able to use them since then, because testtools required unittest2, which still included it. With testtools removing Python 2.7 support [3][4], we will lose support for assertItemsEqual, so we should switch to use assertCountEqual. [1] - https://bugs.python.org/issue17866 [2] - https://hg.python.org/cpython/rev/d9921cb6e3cd [3] - testing-cabal/testtools#286 [4] - testing-cabal/testtools#277^ Change-Id: I5e02a7ed7803e21ad2baa93fccd00a23cda3da79