pythongh-122744: test_venv: ignore pip's complaint about missing ssl (pythonGH-122776)

(cherry picked from commit 0d9c123)

Co-authored-by: Petr Viktorin <encukou@gmail.com>

Author: encukou

Lib/test/test_venv.py

@@ -886,6 +886,14 @@ def do_test_with_pip(self, system_site_packages):
         err = re.sub("^(WARNING: )?The directory .* or its parent directory "
                      "is not owned or is not writable by the current user.*$", "",
                      err, flags=re.MULTILINE)
+        # Ignore warning about missing optional module:
+        try:
+            import ssl
+        except ImportError:
+            err = re.sub(
+                "^WARNING: Disabling truststore since ssl support is missing$",
+                "",
+                err, flags=re.MULTILINE)
         self.assertEqual(err.rstrip(), "")
         # Being fairly specific regarding the expected behaviour for the
         # initial bundling phase in Python 3.4. If the output changes in