pypy/objspace/std/test/test_unicodeobject.py::AppTestUnicodeString::()::test_unicode_constructor

pypy/objspace/std/test/test_unicodeobject.py::AppTestUnicodeString::()::test_unicode_constructor_misc

self = <pypy.interpreter.typedef.W_ObjectObjectUserDictWeakrefable object at 0x00000000708d77c0>

    def test_unicode_constructor_misc(self):
            x = u'foo'
            x += u'bar'
>           assert unicode(x) is x
E           (application-level) NameError: name 'unicode' is not defined

[/buildbot/slave/own-linux-aarch64/build/pypy/objspace/std/test/test_unicodeobject.py:693]:4: NameError

builder: own-linux-aarch64 build #2821+

test: pypy/objspace/std/test/test_unicodeobject.py::AppTestUnicodeString::()::test_unicode_constructor_misc