chore: Fix spelling

Merge https://github.com/google/adk-python/pull/2447

This PR corrects misspellings identified by the [check-spelling action](https://github.com/marketplace/actions/check-spelling)

The misspellings have been reported at https://github.com/jsoref/adk-python/actions/runs/16840838898/attempts/1#summary-47711379253

The action reports that the changes in this PR would make it happy: https://github.com/jsoref/adk-python/actions/runs/16840839269/attempts/1#summary-47711380479

Note: while I use tooling to identify errors, the tooling doesn't _actually_ provide the corrections, I'm picking them on my own. I'm a human, and I may make mistakes.

I've included a couple of changes to make CI happy. Personally, I object to CI being in a state of "random drive by person who adds a blank line in the middle of a file must fix all the preexisting bugs in the file", but that appears to be the state for this repository.

COPYBARA_INTEGRATE_REVIEW=https://github.com/google/adk-python/pull/2447 from jsoref:spelling d85398e7fd154d124d477c6af6181481a01f34e0
PiperOrigin-RevId: 827629615

tests/unittests/flows/llm_flows/test_agent_transfer.py

@@ -182,7 +182,7 @@ def test_auto_to_auto_to_single(is_resumable: bool):
     ]
 
     # sub_agent_1 should still be the current agent. sub_agent_1_1 is single so
-    # it should not be the current agent, otherwise the conversation will be
+    # it should not be the current agent; otherwise, the conversation will be
     # tied to sub_agent_1_1 forever.
     assert testing_utils.simplify_events(runner.run('test2')) == [
         ('sub_agent_1', 'response2'),

tests/unittests/flows/llm_flows/test_functions_sequential.py

@@ -64,13 +64,13 @@ def test_sequential_calls():
   assert testing_utils.simplify_contents(mockModel.requests[0].contents) == [
       ('user', 'test')
   ]
-  # 3 items: user content, functaion call / response for the 1st call
+  # 3 items: user content, function call / response for the 1st call
   assert testing_utils.simplify_contents(mockModel.requests[1].contents) == [
       ('user', 'test'),
       ('model', function_call({'x': 1})),
       ('user', function_response({'result': 2})),
   ]
-  # 5 items: user content, functaion call / response for two calls
+  # 5 items: user content, function call / response for two calls
   assert testing_utils.simplify_contents(mockModel.requests[2].contents) == [
       ('user', 'test'),
       ('model', function_call({'x': 1})),
@@ -78,7 +78,7 @@ def test_sequential_calls():
       ('model', function_call({'x': 2})),
       ('user', function_response({'result': 3})),
   ]
-  # 7 items: user content, functaion call / response for three calls
+  # 7 items: user content, function call / response for three calls
   assert testing_utils.simplify_contents(mockModel.requests[3].contents) == [
       ('user', 'test'),
       ('model', function_call({'x': 1})),

tests/unittests/flows/llm_flows/test_functions_simple.py

@@ -32,7 +32,7 @@ def test_simple_function():
   function_call_1 = types.Part.from_function_call(
       name='increase_by_one', args={'x': 1}
   )
-  function_respones_2 = types.Part.from_function_response(
+  function_responses_2 = types.Part.from_function_response(
       name='increase_by_one', response={'result': 2}
   )
   responses: list[types.Content] = [
@@ -54,7 +54,7 @@ def test_simple_function():
   runner = testing_utils.InMemoryRunner(agent)
   assert testing_utils.simplify_events(runner.run('test')) == [
       ('root_agent', function_call_1),
-      ('root_agent', function_respones_2),
+      ('root_agent', function_responses_2),
       ('root_agent', 'response1'),
   ]
 
@@ -65,7 +65,7 @@ def test_simple_function():
   assert testing_utils.simplify_contents(mock_model.requests[1].contents) == [
       ('user', 'test'),
       ('model', function_call_1),
-      ('user', function_respones_2),
+      ('user', function_responses_2),
   ]
 
   # Asserts the function calls.