Disable more tests

Author: slozier

Src/IronPythonTest/Cases/CPythonCasesManifest.ini

@@ -1281,6 +1281,9 @@ Ignore=true # TypeError: maketrans() takes at least 2 arguments (1 given)
 [CPython.test_smtpnet]
 Ignore=true # unittest.case.SkipTest: Cannot import name SSLSession
 
+[CPython.test_spwd]
+Ignore=true # fails on macOS
+
 [CPython.test_string]
 Ignore=true # test_invalid_placeholders
 

Src/StdLib/Lib/subprocess.py

@@ -1293,6 +1293,9 @@ def _communicate(self, input, endtime, orig_timeout):
 
         def terminate(self):
             """Terminates the process."""
+            # Don't terminate a process that we know has already died.
+            if self.returncode is not None:
+                return
             self._handle.Kill()
 
         kill = terminate

Src/StdLib/Lib/test/test_urlparse.py

@@ -1074,19 +1074,22 @@ def test_urlsplit_normalization(self):
         self.assertIn('\u2100', denorm_chars)
         self.assertIn('\uFF03', denorm_chars)
 
-        # bpo-36742: Verify port separators are ignored when they
-        # existed prior to decomposition
-        urllib.parse.urlsplit('http://\u30d5\u309a:80')
-        with self.assertRaises(ValueError):
-            urllib.parse.urlsplit('http://\u30d5\u309a\ufe1380')
-
         # https://github.com/IronLanguages/ironpython3/issues/614
         is_mono = False
         mono_issue_chars = ("\ufe13", "\ufe16", "\ufe5f")
         if sys.implementation.name == "ironpython":
             import clr
             is_mono = clr.IsMono
 
+        # bpo-36742: Verify port separators are ignored when they
+        # existed prior to decomposition
+        urllib.parse.urlsplit('http://\u30d5\u309a:80')
+        if is_mono:
+            urllib.parse.urlsplit('http://\u30d5\u309a\ufe1380')
+        else:
+            with self.assertRaises(ValueError):
+                urllib.parse.urlsplit('http://\u30d5\u309a\ufe1380')
+
         for scheme in ["http", "https", "ftp"]:
             for netloc in ["netloc{}false.netloc", "n{}user@netloc"]:
                 for c in denorm_chars: