diff --git a/libs/standard-tests/langchain_tests/integration_tests/cache.py b/libs/standard-tests/langchain_tests/integration_tests/cache.py
index 9bb5343aa7b..24655082f3c 100644
--- a/libs/standard-tests/langchain_tests/integration_tests/cache.py
+++ b/libs/standard-tests/langchain_tests/integration_tests/cache.py
@@ -41,7 +41,7 @@ class SyncCacheTestSuite(BaseStandardTests):
         return "Sample LLM string configuration."
 
     def get_sample_generation(self) -> Generation:
-        """Return a sample Generation object for testing."""
+        """Return a sample `Generation` object for testing."""
         return Generation(
             text="Sample generated text.",
             generation_info={"reason": "test"},
@@ -66,8 +66,8 @@ class SyncCacheTestSuite(BaseStandardTests):
 
         This test should follow a test that updates the cache.
 
-        This just verifies that the fixture is set up properly to be empty
-        after each test.
+        This just verifies that the fixture is set up properly to be empty after each
+        test.
         """
         assert (
             cache.lookup(self.get_sample_prompt(), self.get_sample_llm_string()) is None
@@ -95,7 +95,7 @@ class SyncCacheTestSuite(BaseStandardTests):
         assert cache.lookup(prompt, llm_string) == [generation]
 
     def test_update_cache_with_multiple_generations(self, cache: BaseCache) -> None:
-        """Test updating the cache with multiple Generation objects."""
+        """Test updating the cache with multiple `Generation` objects."""
         prompt = self.get_sample_prompt()
         llm_string = self.get_sample_llm_string()
         generations = [
@@ -113,8 +113,8 @@ class AsyncCacheTestSuite(BaseStandardTests):
 
     The test suite is designed for synchronous caching layers.
 
-    Implementers should subclass this test suite and provide a fixture
-    that returns an empty cache for each test.
+    Implementers should subclass this test suite and provide a fixture that returns an
+    empty cache for each test.
     """
 
     @abstractmethod
@@ -134,7 +134,7 @@ class AsyncCacheTestSuite(BaseStandardTests):
         return "Sample LLM string configuration."
 
     def get_sample_generation(self) -> Generation:
-        """Return a sample Generation object for testing."""
+        """Return a sample `Generation` object for testing."""
         return Generation(
             text="Sample generated text.",
             generation_info={"reason": "test"},
@@ -160,8 +160,8 @@ class AsyncCacheTestSuite(BaseStandardTests):
 
         This test should follow a test that updates the cache.
 
-        This just verifies that the fixture is set up properly to be empty
-        after each test.
+        This just verifies that the fixture is set up properly to be empty after each
+        test.
         """
         assert (
             await cache.alookup(self.get_sample_prompt(), self.get_sample_llm_string())
@@ -196,7 +196,7 @@ class AsyncCacheTestSuite(BaseStandardTests):
         self,
         cache: BaseCache,
     ) -> None:
-        """Test updating the cache with multiple Generation objects."""
+        """Test updating the cache with multiple `Generation` objects."""
         prompt = self.get_sample_prompt()
         llm_string = self.get_sample_llm_string()
         generations = [
diff --git a/libs/standard-tests/langchain_tests/integration_tests/chat_models.py b/libs/standard-tests/langchain_tests/integration_tests/chat_models.py
index 90ea6f7e5f9..62a2697af01 100644
--- a/libs/standard-tests/langchain_tests/integration_tests/chat_models.py
+++ b/libs/standard-tests/langchain_tests/integration_tests/chat_models.py
@@ -173,7 +173,6 @@ class ChatModelIntegrationTests(ChatModelTests):
     `chat_model_params` properties to specify what model to test and its
     initialization parameters.
 
-
     ```python
     from typing import Type
 
@@ -217,6 +216,7 @@ class ChatModelIntegrationTests(ChatModelTests):
 
     In addition, test subclasses can control what features are tested (such as tool
     calling or multi-modality) by selectively overriding the following properties.
+
     Expand to see details:
 
     ??? info "`has_tool_calling`"
@@ -226,9 +226,7 @@ class ChatModelIntegrationTests(ChatModelTests):
         By default, this is determined by whether the chat model's `bind_tools` method
         is overridden. It typically does not need to be overridden on the test class.
 
-        Example override:
-
-        ```python
+        ```python "Example override"
         @property
         def has_tool_calling(self) -> bool:
             return True
@@ -264,9 +262,7 @@ class ChatModelIntegrationTests(ChatModelTests):
         `tool_choice="any"` will force a tool call, and `tool_choice=<tool name>`
         will force a call to a specific tool.
 
-        Example override:
-
-        ```python
+        ```python "Example override"
         @property
         def has_tool_choice(self) -> bool:
             return False
@@ -424,15 +420,16 @@ class ChatModelIntegrationTests(ChatModelTests):
             return True
         ```
 
-        Note: this test downloads audio data from wikimedia.org. You may need to set
-        the `LANGCHAIN_TESTS_USER_AGENT` environment variable to identify these
-        requests, e.g.,
+        !!! warning
+            This test downloads audio data from wikimedia.org. You may need to set the
+            `LANGCHAIN_TESTS_USER_AGENT` environment variable to identify these tests,
+            e.g.,
 
-        ```bash
-        export LANGCHAIN_TESTS_USER_AGENT="CoolBot/0.0 (https://example.org/coolbot/; coolbot@example.org) generic-library/0.0"
-        ```
+            ```bash
+            export LANGCHAIN_TESTS_USER_AGENT="CoolBot/0.0 (https://example.org/coolbot/; coolbot@example.org) generic-library/0.0"
+            ```
 
-        Refer to the [Wikimedia Foundation User-Agent Policy](https://foundation.wikimedia.org/wiki/Policy:Wikimedia_Foundation_User-Agent_Policy).
+            Refer to the [Wikimedia Foundation User-Agent Policy](https://foundation.wikimedia.org/wiki/Policy:Wikimedia_Foundation_User-Agent_Policy).
 
     ??? info "`supports_video_inputs`"
 
@@ -459,8 +456,8 @@ class ChatModelIntegrationTests(ChatModelTests):
             return False
         ```
 
-        Models supporting `usage_metadata` should also return the name of the
-        underlying model in the `response_metadata` of the `AIMessage`.
+        Models supporting `usage_metadata` should also return the name of the underlying
+        model in the `response_metadata` of the `AIMessage`.
 
     ??? info "`supports_anthropic_inputs`"
 
@@ -724,7 +721,6 @@ class ChatModelIntegrationTests(ChatModelTests):
 
             You can then commit the cassette to your repository. Subsequent test runs
             will use the cassette instead of making HTTP calls.
-
     '''  # noqa: E501,D214
 
     @property
diff --git a/libs/standard-tests/langchain_tests/integration_tests/indexer.py b/libs/standard-tests/langchain_tests/integration_tests/indexer.py
index 7eddc450f7e..a3448fabbd0 100644
--- a/libs/standard-tests/langchain_tests/integration_tests/indexer.py
+++ b/libs/standard-tests/langchain_tests/integration_tests/indexer.py
@@ -1,8 +1,8 @@
 """Test suite to check index implementations.
 
-Standard tests for the DocumentIndex abstraction
+Standard tests for the `DocumentIndex` abstraction
 
-We don't recommend implementing externally managed DocumentIndex abstractions at this
+We don't recommend implementing externally managed `DocumentIndex` abstractions at this
 time.
 """
 
@@ -19,8 +19,8 @@ from langchain_core.indexing.base import DocumentIndex
 class DocumentIndexerTestSuite(ABC):
     """Test suite for checking the read-write of a document index.
 
-    Implementers should subclass this test suite and provide a fixture
-    that returns an empty index for each test.
+    Implementers should subclass this test suite and provide a fixture that returns an
+    empty index for each test.
     """
 
     @abstractmethod
@@ -172,7 +172,7 @@ class DocumentIndexerTestSuite(ABC):
         ]
 
     def test_delete_no_args(self, index: DocumentIndex) -> None:
-        """Test delete with no args raises ValueError."""
+        """Test delete with no args raises `ValueError`."""
         with pytest.raises(ValueError):  # noqa: PT011
             index.delete()
 
@@ -364,7 +364,7 @@ class AsyncDocumentIndexTestSuite(ABC):
         ]
 
     async def test_delete_no_args(self, index: DocumentIndex) -> None:
-        """Test delete with no args raises ValueError."""
+        """Test delete with no args raises `ValueError`."""
         with pytest.raises(ValueError):  # noqa: PT011
             await index.adelete()
 
diff --git a/libs/standard-tests/langchain_tests/integration_tests/vectorstores.py b/libs/standard-tests/langchain_tests/integration_tests/vectorstores.py
index fc529866f19..1ab02b61318 100644
--- a/libs/standard-tests/langchain_tests/integration_tests/vectorstores.py
+++ b/libs/standard-tests/langchain_tests/integration_tests/vectorstores.py
@@ -1,4 +1,4 @@
-"""Test suite to test vectostores."""
+"""Test suite to test `VectorStore` integrations."""
 
 from abc import abstractmethod
 
@@ -95,7 +95,6 @@ class VectorStoreIntegrationTests(BaseStandardTests):
 
     !!! note
         API references for individual test methods include troubleshooting tips.
-
     """  # noqa: E501
 
     @abstractmethod
diff --git a/libs/standard-tests/langchain_tests/unit_tests/chat_models.py b/libs/standard-tests/langchain_tests/unit_tests/chat_models.py
index 1a73ffd84f1..895608b3f12 100644
--- a/libs/standard-tests/langchain_tests/unit_tests/chat_models.py
+++ b/libs/standard-tests/langchain_tests/unit_tests/chat_models.py
@@ -304,6 +304,7 @@ class ChatModelUnitTests(ChatModelTests):
 
     In addition, test subclasses can control what features are tested (such as tool
     calling or multi-modality) by selectively overriding the following properties.
+
     Expand to see details:
 
     ??? info "`has_tool_calling`"
@@ -313,9 +314,7 @@ class ChatModelUnitTests(ChatModelTests):
         By default, this is determined by whether the chat model's `bind_tools` method
         is overridden. It typically does not need to be overridden on the test class.
 
-        Example override:
-
-        ```python
+        ```python "Example override"
         @property
         def has_tool_calling(self) -> bool:
             return True
@@ -350,9 +349,7 @@ class ChatModelUnitTests(ChatModelTests):
         `tool_choice="any"` will force a tool call, and `tool_choice=<tool name>`
         will force a call to a specific tool.
 
-        Example override:
-
-        ```python
+        ```python "Example override"
         @property
         def has_tool_choice(self) -> bool:
             return False
@@ -429,7 +426,6 @@ class ChatModelUnitTests(ChatModelTests):
 
         See https://docs.langchain.com/oss/python/langchain/models#multimodal
 
-
         ```python
         @property
         def supports_image_inputs(self) -> bool:
@@ -455,7 +451,6 @@ class ChatModelUnitTests(ChatModelTests):
 
         See https://docs.langchain.com/oss/python/langchain/models#multimodal
 
-
         ```python
         @property
         def supports_image_urls(self) -> bool:
@@ -481,7 +476,6 @@ class ChatModelUnitTests(ChatModelTests):
 
         See https://docs.langchain.com/oss/python/langchain/models#multimodal
 
-
         ```python
         @property
         def supports_pdf_inputs(self) -> bool:
@@ -513,15 +507,16 @@ class ChatModelUnitTests(ChatModelTests):
             return True
         ```
 
-        Note: this test downloads audio data from wikimedia.org. You may need to set
-        the `LANGCHAIN_TESTS_USER_AGENT` environment variable to identify these
-        requests, e.g.,
+        !!! warning
+            This test downloads audio data from wikimedia.org. You may need to set the
+            `LANGCHAIN_TESTS_USER_AGENT` environment variable to identify these tests,
+            e.g.,
 
-        ```bash
-        export LANGCHAIN_TESTS_USER_AGENT="CoolBot/0.0 (https://example.org/coolbot/; coolbot@example.org) generic-library/0.0"
-        ```
+            ```bash
+            export LANGCHAIN_TESTS_USER_AGENT="CoolBot/0.0 (https://example.org/coolbot/; coolbot@example.org) generic-library/0.0"
+            ```
 
-        Refer to the [Wikimedia Foundation User-Agent Policy](https://foundation.wikimedia.org/wiki/Policy:Wikimedia_Foundation_User-Agent_Policy).
+            Refer to the [Wikimedia Foundation User-Agent Policy](https://foundation.wikimedia.org/wiki/Policy:Wikimedia_Foundation_User-Agent_Policy).
 
     ??? info "`supports_video_inputs`"
 
@@ -540,6 +535,7 @@ class ChatModelUnitTests(ChatModelTests):
 
         `usage_metadata` is an optional dict attribute on `AIMessage` objects that track
         input and output tokens.
+
         [See more](https://reference.langchain.com/python/langchain_core/language_models/#langchain_core.messages.ai.UsageMetadata).
 
         ```python
@@ -850,7 +846,6 @@ class ChatModelUnitTests(ChatModelTests):
                 },
             )
         ```
-
     '''  # noqa: E501,D214
 
     @property