test(tests): update suite for sync‑twenty migration and drop obsolete gmail/notion sync tests

tests/test_upskill_skill.py

@@ -70,9 +70,9 @@ class UpskillSkillSpec(unittest.TestCase):
         step3 = sections.get("Step 3: Pass 1 — Hard Skill Diff", "")
         self.assertIn("case-insensitive company + role", step3, "Step 3 must specify the dedupe key")
         self.assertIn(
-            "/notion-sync",
+            "/sync-twenty",
             step3,
-            "Step 3 must cite the upstream precedent for the dedupe key, not a fork-only file",
+            "Step 3 must cite the shared precedent for the dedupe key, not restate it",
         )
         self.assertIn(
             "Recorded gaps beat inferred skills",