fix(534-4): 528 E01 생성 시험 — 응답 warnings 칸(532-1 덧 생성 복사 경고)을 기대값에 넣음

낡은 기대값: 532-1 덧에서 E01 생성 응답에 warnings 를 더했는데 528 시험은 옛 응답 꼴을 봄.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

resources/tester/test_528_project_groups.py

@@ -165,7 +165,7 @@ def test_e01_requires_b06(monkeypatch):
         call()
     assert e.value.status_code == 404
     seen, call = _e01(monkeypatch, [{**src, "project_year": 2026, "section_complete": 1}])
-    assert call() == {"project_id": "stab-id", "source_fingerprint": "f" * 40}
+    assert call() == {"project_id": "stab-id", "source_fingerprint": "f" * 40, "warnings": []}
     assert seen["copied"] == ("stab-id", "s" * 36)
     assert seen["kind"] == "STABILITY" and seen["source_project_id"] == "s" * 36
     assert seen["name"] == "임도 안정성평가"