Fix import-outside-toplevel pylint warnings in core tests (#119394)

tests/conftest.py

@@ -26,6 +26,7 @@ from aiohttp.test_utils import (
 )
 from aiohttp.typedefs import JSONDecoder
 from aiohttp.web import Application
+import bcrypt
 import freezegun
 import multidict
 import pytest
@@ -70,6 +71,7 @@ from homeassistant.helpers import (
     recorder as recorder_helper,
 )
 from homeassistant.helpers.dispatcher import async_dispatcher_send
+from homeassistant.helpers.translation import _TranslationsCacheData
 from homeassistant.helpers.typing import ConfigType
 from homeassistant.setup import BASE_PLATFORMS, async_setup_component
 from homeassistant.util import location
@@ -394,8 +396,6 @@ def reset_hass_threading_local_object() -> Generator[None]:
 @pytest.fixture(scope="session", autouse=True)
 def bcrypt_cost() -> Generator[None]:
     """Run with reduced rounds during tests, to speed up uses."""
-    import bcrypt
-
     gensalt_orig = bcrypt.gensalt
 
     def gensalt_mock(rounds=12, prefix=b"2b"):
@@ -1174,8 +1174,6 @@ def mock_get_source_ip() -> Generator[_patch]:
 @pytest.fixture(autouse=True, scope="session")
 def translations_once() -> Generator[_patch]:
     """Only load translations once per session."""
-    from homeassistant.helpers.translation import _TranslationsCacheData
-
     cache = _TranslationsCacheData({}, {})
     patcher = patch(
         "homeassistant.helpers.translation._TranslationsCacheData",