Skip test on problematic PyPy versions

See pypy/pypy#4860

IPython/core/tests/test_interactiveshell.py

@@ -577,8 +577,12 b' class InteractiveShellTestCase(unittest.TestCase):'
             self.assertEqual(res.success, True)
 
 
[e-mail](
+    sys.implementation.name == "pypy"
+    and ((7, 3, 13) < sys.implementation.version < (7, 3, 16)),
+    reason="Unicode issues with scandir on PyPy, see https://github.com/pypy/pypy/issues/4860",
+)
 class TestSafeExecfileNonAsciiPath(unittest.TestCase):
-
     @onlyif_unicode_paths
     def setUp(self):
         self.BASETESTDIR = tempfile.mkdtemp()

IPython/core/tests/test_profile.py

@@ -24,9 +24,10 b' import shutil'
 import sys
 import tempfile
 from pathlib import Path
+from tempfile import TemporaryDirectory
 from unittest import TestCase
 
-from tempfile import TemporaryDirectory
+import pytest
 
 from IPython.core.profileapp import list_bundled_profiles, list_profiles_in
 from IPython.core.profiledir import ProfileDir
@@ -101,6 +102,11 b' class ProfileStartupTest(TestCase):'
         self.validate('Exception reporting mode: Plain')
 
 
[e-mail](
+    sys.implementation.name == "pypy"
+    and ((7, 3, 13) < sys.implementation.version < (7, 3, 16)),
+    reason="Unicode issues with scandir on PyPy, see https://github.com/pypy/pypy/issues/4860",
+)
 def test_list_profiles_in():
     # No need to remove these directories and files, as they will get nuked in
     # the module-level teardown.

IPython/utils/tests/test_io.py

@@ -20,6 +20,7 b' def test_tee_simple():'
     tee = Tee(chan, channel='stdout')
     print(text, file=chan)
     assert chan.getvalue() == text + "\n"
+    tee.close()
 
 
 class TeeTestCase(unittest.TestCase):