Speedup Reolink tests by using scope="module" (#125215)

* use scope="module"

* Instead of side_effect = None, use reset_mock(side_efffect=True)

* fix tests

tests/components/reolink/conftest.py

@@ -52,7 +52,7 @@ def mock_setup_entry() -> Generator[AsyncMock]:
         yield mock_setup_entry
 
 
-@pytest.fixture
+@pytest.fixture(scope="module")
 def reolink_connect_class() -> Generator[MagicMock]:
     """Mock reolink connection and return both the host_mock and host_mock_class."""
     with (