[core][tests][profile] Remove nose

IPython/core/tests/test_profile.py

@@ -27,8 +27,6 b' import tempfile'
 from pathlib import Path
 from unittest import TestCase
 
-import nose.tools as nt
-
 from IPython.core.profileapp import list_profiles_in, list_bundled_profiles
 from IPython.core.profiledir import ProfileDir
 
@@ -139,14 +137,14 b' def test_list_profiles_in():'
             found_unicode = True
             break
     if dec.unicode_paths:
-        nt.assert_true(found_unicode)
-    nt.assert_equal(set(profiles), {'foo', 'hello'})
+        assert found_unicode is True
+    assert set(profiles) == {"foo", "hello"}
 
 
 def test_list_bundled_profiles():
     # This variable will need to be updated when a new profile gets bundled
     bundled = sorted(list_bundled_profiles())
-    nt.assert_equal(bundled, [])
+    assert bundled == []
 
 
 def test_profile_create_ipython_dir():
@@ -167,4 +165,3 b' def test_profile_create_ipython_dir():'
         assert Path(profile_dir).exists()
         ipython_config = profile_dir / "ipython_config.py"
         assert Path(ipython_config).exists()
-