diff --git a/pyproject.toml b/pyproject.toml
index 2db0bdbb..07c3e91e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -114,3 +114,7 @@ skip-magic-trailing-comma = false
 
 [tool.pyright]
 reportImportCycles = true
+
+[tool.pytest.ini_options]
+asyncio_default_fixture_loop_scope = "function"
+asyncio_mode = "auto"
diff --git a/tests/langchain/clients/anthropic/test_integration.py b/tests/langchain/clients/anthropic/test_integration.py
index 661b370e..551ee5bc 100644
--- a/tests/langchain/clients/anthropic/test_integration.py
+++ b/tests/langchain/clients/anthropic/test_integration.py
@@ -14,7 +14,6 @@
 from tests.langchain.integration_tests import UiPathChatModelIntegrationTests
 
 
-@pytest.mark.asyncio
 @pytest.mark.vcr
 class TestAnthropicIntegrationChatModel(UiPathChatModelIntegrationTests):
     @pytest.fixture(autouse=True)
diff --git a/tests/langchain/clients/bedrock/test_integration.py b/tests/langchain/clients/bedrock/test_integration.py
index 1d6cbca8..5b58ab10 100644
--- a/tests/langchain/clients/bedrock/test_integration.py
+++ b/tests/langchain/clients/bedrock/test_integration.py
@@ -15,7 +15,6 @@
 from tests.langchain.integration_tests import UiPathChatModelIntegrationTests
 
 
-@pytest.mark.asyncio
 @pytest.mark.vcr
 class TestBedrockIntegrationChatModel(UiPathChatModelIntegrationTests):
     @pytest.fixture(autouse=True)
diff --git a/tests/langchain/clients/google/test_integration.py b/tests/langchain/clients/google/test_integration.py
index 2d615848..f362ac44 100644
--- a/tests/langchain/clients/google/test_integration.py
+++ b/tests/langchain/clients/google/test_integration.py
@@ -11,7 +11,6 @@
 from uipath.llm_client.settings import PlatformSettings
 
 
-@pytest.mark.asyncio
 @pytest.mark.vcr
 class TestGoogleIntegrationChatModel(UiPathChatModelIntegrationTests):
     @pytest.fixture(autouse=True)
@@ -48,7 +47,6 @@ def skip_on_specific_configs(
             pytest.skip(f"Skipping {test_name}: not supported for Gemini models")
 
 
-@pytest.mark.asyncio
 @pytest.mark.vcr
 class TestGoogleIntegrationEmbeddings(EmbeddingsIntegrationTests):
     @pytest.fixture(autouse=True)
diff --git a/tests/langchain/clients/litellm/test_integration.py b/tests/langchain/clients/litellm/test_integration.py
index 64dc87f1..5ba44135 100644
--- a/tests/langchain/clients/litellm/test_integration.py
+++ b/tests/langchain/clients/litellm/test_integration.py
@@ -13,7 +13,6 @@
 from tests.langchain.integration_tests import UiPathChatModelIntegrationTests
 
 
-@pytest.mark.asyncio
 @pytest.mark.vcr
 class TestLiteLLMIntegrationChatModel(UiPathChatModelIntegrationTests):
     @property
@@ -125,7 +124,6 @@ def skip_on_specific_configs(
             )
 
 
-@pytest.mark.asyncio
 @pytest.mark.vcr
 class TestLiteLLMIntegrationEmbeddings(EmbeddingsIntegrationTests):
     @pytest.fixture(autouse=True)
diff --git a/tests/langchain/clients/normalized/test_integration.py b/tests/langchain/clients/normalized/test_integration.py
index b7992e41..bf5a59ff 100644
--- a/tests/langchain/clients/normalized/test_integration.py
+++ b/tests/langchain/clients/normalized/test_integration.py
@@ -17,7 +17,6 @@
 from uipath.llm_client.settings import PlatformSettings
 
 
-@pytest.mark.asyncio
 @pytest.mark.vcr
 class TestNormalizedIntegrationChatModel(UiPathChatModelIntegrationTests):
     @pytest.fixture(autouse=True)
@@ -172,7 +171,6 @@ async def test_parallel_and_sequential_tool_calling_async(self, model: BaseChatM
         pytest.skip("Parallel tool calling is not supported for normalized API")
 
 
-@pytest.mark.asyncio
 @pytest.mark.vcr
 class TestNormalizedIntegrationEmbeddings(EmbeddingsIntegrationTests):
     @pytest.fixture(autouse=True)
diff --git a/tests/langchain/clients/openai/test_integration.py b/tests/langchain/clients/openai/test_integration.py
index be9d23f9..02f3f334 100644
--- a/tests/langchain/clients/openai/test_integration.py
+++ b/tests/langchain/clients/openai/test_integration.py
@@ -11,7 +11,6 @@
 from tests.langchain.integration_tests import UiPathChatModelIntegrationTests
 
 
-@pytest.mark.asyncio
 @pytest.mark.vcr
 class TestOpenAIIntegrationChatModel(UiPathChatModelIntegrationTests):
     @pytest.fixture(autouse=True)
@@ -49,7 +48,6 @@ def skip_on_specific_configs(
             pytest.skip("PDF inputs require the OpenAI Responses API")
 
 
-@pytest.mark.asyncio
 @pytest.mark.vcr
 class TestOpenAIIntegrationEmbeddings(EmbeddingsIntegrationTests):
     @pytest.fixture(autouse=True)
diff --git a/tests/langchain/clients/vertexai/test_integration.py b/tests/langchain/clients/vertexai/test_integration.py
index fb8c55cc..363240f9 100644
--- a/tests/langchain/clients/vertexai/test_integration.py
+++ b/tests/langchain/clients/vertexai/test_integration.py
@@ -10,7 +10,6 @@
 from tests.langchain.integration_tests import UiPathChatModelIntegrationTests
 
 
-@pytest.mark.asyncio
 @pytest.mark.vcr
 class TestVertexAIIntegrationChatModel(UiPathChatModelIntegrationTests):
     @pytest.fixture(autouse=True)