[3.14] gh-143394: On macOS, run main PyREPL tests as "Apple Terminal" as well (GH-143461) (GH-143466)

(cherry picked from commit 7dae107)

Co-authored-by: Łukasz Langa <lukasz@langa.pl>

Author: miss-islington

Lib/test/test_pyrepl/test_pyrepl.py

@@ -2002,6 +2002,17 @@ def test_no_newline(self):
         self.assertIn(expected_output_sequence, cleaned_output)
 
 
+@skipUnless(sys.platform == "darwin", "macOS only")
+class TestMainAppleTerminal(TestMain):
+    """Test the REPL with Apple Terminal's TERM_PROGRAM set."""
+
+    def run_repl(self, repl_input, env=None, **kwargs):
+        if env is None:
+            env = os.environ.copy()
+        env["TERM_PROGRAM"] = "Apple_Terminal"
+        return super().run_repl(repl_input, env=env, **kwargs)
+
+
 class TestPyReplCtrlD(TestCase):
     """Test Ctrl+D behavior in _pyrepl to match old pre-3.13 REPL behavior.