fix: expect code 2 for a typo in two more tests

tests/test_install.py

@@ -4894,7 +4894,7 @@ class TheEmulatorNamesHaveTheirOwnListing(unittest.TestCase, _LoopbackRun):
     def test_the_hint_counts_what_the_listing_prints(self):
         proc = _install_run(self.env, "--platform", "retroarch", "--no-input",
                             "--emulator", "nope")
-        self.assertEqual(proc.returncode, 1, proc.stdout)
+        self.assertEqual(proc.returncode, 2, proc.stdout)
         found = re.search(r"--list-emulators lists all (\d+)\.", proc.stderr)
         self.assertIsNotNone(found, proc.stderr)
         listing = _install_run(self.env, "--platform", "retroarch", "--no-input",

tests/test_install_cores.py

@@ -415,7 +415,7 @@ class AnUnknownTargetStopsTheRunFirst(unittest.TestCase):
                 contextlib.redirect_stderr(io.StringIO()) as err:
             with self.assertRaises(SystemExit) as stop:
                 install.main()
-        self.assertEqual(stop.exception.code, 1)
+        self.assertEqual(stop.exception.code, 2)
         self.assertIn("unknown target 'steamos' for RetroArch", err.getvalue())
         self.assertIn("Nothing was installed", err.getvalue())
         fetch.assert_not_called()