refactor(tests): Address Gemini review comments

- Remove unused asyncio import from test_label_operations.py
- Combine redundant rate limit checks in HACS test
- Fix inconsistent error_str usage in HACS unavailability detection

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

Author: julienld

tests/src/e2e/workflows/hacs/test_hacs.py

@@ -55,13 +55,12 @@ def is_hacs_unavailable(data: dict) -> tuple[bool, str]:
     unavailable_indicators = [
         (error_code == "HACS_NOT_AVAILABLE", "HACS not available"),
         (error_code == "HACS_DISABLED", f"HACS disabled: {data.get('disabled_reason', 'unknown')}"),
-        (error_code == "INTERNAL_ERROR" and "rate" in error_str, "GitHub rate limit"),
+        ((error_code == "INTERNAL_ERROR" and "rate" in error_str) or ("rate" in error_str and "limit" in error_str), "GitHub rate limit"),
         (error_code == "INTERNAL_ERROR" and "github" in error_str, "GitHub access issue"),
         ("not found" in error_str, "Command not found"),
         ("unknown command" in error_str, "Unknown command"),
         ("disabled" in error_str, "HACS disabled"),
-        ("rate" in error_str and "limit" in error_str, "GitHub rate limit"),
-        ("401" in str(error), "GitHub authentication failed"),
+        ("401" in error_str, "GitHub authentication failed"),
     ]
 
     for condition, reason in unavailable_indicators:

tests/src/e2e/workflows/labels/test_label_operations.py

@@ -10,7 +10,6 @@
 Also includes regression test for Issue #396 (entity registry corruption).
 """
 
-import asyncio
 import logging
 
 import pytest