Fix standard unit tests marked xfail for ChatBedrock and ChatBedrockConverse

[3coins]

3/63 unit tests are marked xfail for ChatBedrock and ChatBedrockConverse.

Test Log

tests/unit_tests/chat_models/test_bedrock_converse.py::TestBedrockStandard::test_init_streaming FAILED
tests/unit_tests/test_standard.py::TestBedrockStandard::test_standard_params FAILED
tests/unit_tests/test_standard.py::TestBedrockAsConverseStandard::test_standard_params FAILED

==================================================================== FAILURES =====================================================================
_____________________________________________________ TestBedrockStandard.test_init_streaming _____________________________________________________

self = <tests.unit_tests.chat_models.test_bedrock_converse.TestBedrockStandard object at 0x1246dadd0>

    @pytest.mark.xfail(reason="Doesn't support streaming init param.")
    def test_init_streaming(self) -> None:
>       super().test_init_streaming()

tests/unit_tests/chat_models/test_bedrock_converse.py:74: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
/Users/pijain/Library/Caches/pypoetry/virtualenvs/langchain-aws-eH7P7gjZ-py3.10/lib/python3.10/site-packages/langchain_standard_tests/unit_tests/chat_models.py:176: in test_init_streaming
    model = self.chat_model_class(
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

self = ChatBedrockConverse(), args = ()
kwargs = {'max_tokens': 100, 'model': 'anthropic.claude-3-sonnet-20240229-v1:0', 'region_name': 'us-west-1', 'stop': [], ...}

    def __init__(self, *args: Any, **kwargs: Any) -> None:
        """"""
>       super().__init__(*args, **kwargs)
E       pydantic_core._pydantic_core.ValidationError: 1 validation error for ChatBedrockConverse
E       streaming
E         Extra inputs are not permitted [type=extra_forbidden, input_value=True, input_type=bool]
E           For further information visit https://errors.pydantic.dev/2.9/v/extra_forbidden

/Users/pijain/Library/Caches/pypoetry/virtualenvs/langchain-aws-eH7P7gjZ-py3.10/lib/python3.10/site-packages/langchain_core/load/serializable.py:110: ValidationError
____________________________________________________ TestBedrockStandard.test_standard_params _____________________________________________________

self = <tests.unit_tests.test_standard.TestBedrockStandard object at 0x1246d6ad0>
model = ChatBedrock(client=<botocore.client.BedrockRuntime object at 0x12485e9b0>, region_name='us-east-1', model_id='anthropic.claude-3-sonnet-20240229-v1:0')

    @pytest.mark.xfail(reason="Not implemented.")
    def test_standard_params(self, model: BaseChatModel) -> None:
>       super().test_standard_params(model)

tests/unit_tests/test_standard.py:30: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
/Users/pijain/Library/Caches/pypoetry/virtualenvs/langchain-aws-eH7P7gjZ-py3.10/lib/python3.10/site-packages/langchain_standard_tests/unit_tests/chat_models.py:235: in test_standard_params
    model = self.chat_model_class(
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

self = ChatBedrock(), args = ()
kwargs = {'max_tokens': 10, 'model_id': 'anthropic.claude-3-sonnet-20240229-v1:0', 'region_name': 'us-east-1', 'stop': ['test']}

    def __init__(self, *args: Any, **kwargs: Any) -> None:
        """"""
>       super().__init__(*args, **kwargs)
E       pydantic_core._pydantic_core.ValidationError: 1 validation error for ChatBedrock
E       stop
E         Extra inputs are not permitted [type=extra_forbidden, input_value=['test'], input_type=list]
E           For further information visit https://errors.pydantic.dev/2.9/v/extra_forbidden

/Users/pijain/Library/Caches/pypoetry/virtualenvs/langchain-aws-eH7P7gjZ-py3.10/lib/python3.10/site-packages/langchain_core/load/serializable.py:110: ValidationError
_______________________________________________ TestBedrockAsConverseStandard.test_standard_params ________________________________________________

self = <tests.unit_tests.test_standard.TestBedrockAsConverseStandard object at 0x1246d5c90>
model = ChatBedrock(client=<botocore.client.BedrockRuntime object at 0x124e76aa0>, region_name='us-east-1', model_id='anthropic.claude-3-sonnet-20240229-v1:0', model_kwargs={'stop': []}, temperature=0, max_tokens=100, beta_use_converse_api=True)

    @pytest.mark.xfail(reason="Not implemented.")
    def test_standard_params(self, model: BaseChatModel) -> None:
>       super().test_standard_params(model)

tests/unit_tests/test_standard.py:58: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
/Users/pijain/Library/Caches/pypoetry/virtualenvs/langchain-aws-eH7P7gjZ-py3.10/lib/python3.10/site-packages/langchain_standard_tests/unit_tests/chat_models.py:235: in test_standard_params
    model = self.chat_model_class(
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

self = ChatBedrock(), args = ()
kwargs = {'beta_use_converse_api': True, 'max_tokens': 10, 'model_id': 'anthropic.claude-3-sonnet-20240229-v1:0', 'region_name': 'us-east-1', ...}

    def __init__(self, *args: Any, **kwargs: Any) -> None:
        """"""
>       super().__init__(*args, **kwargs)
E       pydantic_core._pydantic_core.ValidationError: 1 validation error for ChatBedrock
E       stop
E         Extra inputs are not permitted [type=extra_forbidden, input_value=['test'], input_type=list]
E           For further information visit https://errors.pydantic.dev/2.9/v/extra_forbidden

/Users/pijain/Library/Caches/pypoetry/virtualenvs/langchain-aws-eH7P7gjZ-py3.10/lib/python3.10/site-packages/langchain_core/load/serializable.py:110: ValidationError