tests[patch]: nits (#28601)

libs/standard-tests/langchain_tests/__init__.py

@@ -3,5 +3,5 @@ Base Test classes for standard testing.
 
 To learn how to use these classes, see the
 `Integration standard testing <https://python.langchain.com/docs/contributing/how_to/integrations/standard_tests/>`_
-guide
+guide.
 """

libs/standard-tests/langchain_tests/integration_tests/vectorstores.py

@@ -15,7 +15,7 @@ EMBEDDING_SIZE = 6
 
 
 class VectorStoreIntegrationTests(BaseStandardTests):
-    """Base class for checking the read-write API of a vector store.
+    """Base class for vector store integration tests.
 
     Implementers should subclass this test suite and provide a fixture
     that returns an empty vector store for each test.

libs/standard-tests/langchain_tests/unit_tests/chat_models.py

@@ -105,6 +105,8 @@ class ChatModelTests(BaseStandardTests):
 
     @pytest.fixture
     def my_adder_tool(self) -> BaseTool:
+        """:private:"""
+
         @tool
         def my_adder_tool(a: int, b: int) -> int:
             """Takes two integers, a and b, and returns their sum."""