chore: skip Gemini tests in local runs (#2181)

Author: stevenh

docs/graph.md

@@ -352,7 +352,7 @@ stateDiagram-v2
   Feedback --> [*]
 ```
 
-```python {title="genai_email_feedback.py" py="3.10"}
+```python {title="genai_email_feedback.py" py="3.10" test="ci_only"}
 from __future__ import annotations as _annotations
 
 from dataclasses import dataclass, field

docs/models/google.md

@@ -58,7 +58,7 @@ To use Vertex AI, you may need to set up [application default credentials](https
 
 If you have the [`gcloud` CLI](https://cloud.google.com/sdk/gcloud) installed and configured, you can use:
 
-```python
+```python {test="ci_only"}
 from pydantic_ai import Agent
 from pydantic_ai.models.google import GoogleModel
 from pydantic_ai.providers.google import GoogleProvider

tests/test_examples.py

@@ -205,7 +205,9 @@ def print(self, *args: Any, **kwargs: Any) -> None:
             eval_example.lint_ruff(example)
 
     if opt_test.startswith('skip'):
-        print(opt_test[4:].lstrip(' -') or 'running code skipped')
+        pytest.skip(opt_test[4:].lstrip(' -') or 'running code skipped')
+    elif opt_test.startswith('ci_only') and os.environ.get('GITHUB_ACTIONS', '').lower() != 'true':
+        pytest.skip(opt_test[7:].lstrip(' -') or 'running code skipped in local tests')  # pragma: no cover
     else:
         test_globals: dict[str, str] = {'__name__': dunder_name}