Fix mypy 1.11 warnings (#809)

Mypy got updated to v 1.11 recently
We need these mypy fixes to make other PRs pass the CI tests

Author: motus

mlos_core/mlos_core/tests/optimizers/optimizer_test.py

@@ -157,7 +157,7 @@ def objective(x: pd.Series) -> pd.DataFrame:
 def test_concrete_optimizer_type(optimizer_type: OptimizerType) -> None:
     """Test that all optimizer types are listed in the ConcreteOptimizer constraints."""
     # pylint: disable=no-member
-    assert optimizer_type.value in ConcreteOptimizer.__constraints__  # type: ignore[attr-defined]
+    assert optimizer_type.value in ConcreteOptimizer.__constraints__
 
 
 @pytest.mark.parametrize(

mlos_core/mlos_core/tests/spaces/adapters/space_adapter_factory_test.py

@@ -32,10 +32,7 @@
 def test_concrete_optimizer_type(space_adapter_type: SpaceAdapterType) -> None:
     """Test that all optimizer types are listed in the ConcreteOptimizer constraints."""
     # pylint: disable=no-member
-    assert (
-        space_adapter_type.value
-        in ConcreteSpaceAdapter.__constraints__  # type: ignore[attr-defined]
-    )
+    assert space_adapter_type.value in ConcreteSpaceAdapter.__constraints__
 
 
 @pytest.mark.parametrize(