[terminal][tests][embed] Remove nose

IPython/terminal/tests/test_embed.py

@@ -14,7 +14,7 b''
 import os
 import subprocess
 import sys
-import nose.tools as nt
+
 from IPython.utils.tempdir import NamedFileInTemporaryDirectory
 from IPython.testing.decorators import skip_win32
 from IPython.testing import IPYTHON_TESTING_TIMEOUT_SCALE
@@ -55,12 +55,13 b' def test_ipython_embed():'
         out, err = p.communicate(_exit)
         std = out.decode('UTF-8')
 
-        nt.assert_equal(p.returncode, 0)
-        nt.assert_in('3 . 14', std)
-        if os.name != 'nt':
+        assert p.returncode == 0
+        assert "3 . 14" in std
+        if os.name != "nt":
             # TODO: Fix up our different stdout references, see issue gh-14
-            nt.assert_in('IPython', std)
-        nt.assert_in('bye!', std)
+            assert "IPython" in std
+        assert "bye!" in std
+
 
 @skip_win32
 def test_nest_embed():