Add test for trio

crates/ruff_linter/src/rules/flake8_async/mod.rs

@@ -38,10 +38,11 @@ mod tests {
         Ok(())
     }
 
-    #[test]
-    fn async109_python_310_or_older() -> Result<()> {
+    #[test_case(Path::new("ASYNC109_0.py"))]
+    #[test_case(Path::new("ASYNC109_1.py"))]
+    fn async109_python_310_or_older(path: &Path) -> Result<()> {
         let diagnostics = test_path(
-            Path::new("flake8_async").join("ASYNC109_1.py"),
+            Path::new("flake8_async").join(path),
             &LinterSettings {
                 target_version: PythonVersion::Py310,
                 ..LinterSettings::for_rule(Rule::AsyncFunctionWithTimeout)

crates/ruff_linter/src/rules/flake8_async/snapshots/ruff_linter__rules__flake8_async__tests__async109_python_310_or_older-2.snap

@@ -0,0 +1,18 @@
+---
+source: crates/ruff_linter/src/rules/flake8_async/mod.rs
+---
+ASYNC109_0.py:8:16: ASYNC109 Async function definition with a `timeout` parameter
+  |
+8 | async def func(timeout):
+  |                ^^^^^^^ ASYNC109
+9 |     ...
+  |
+  = help: Use `trio.fail_after` instead
+
+ASYNC109_0.py:12:16: ASYNC109 Async function definition with a `timeout` parameter
+   |
+12 | async def func(timeout=10):
+   |                ^^^^^^^^^^ ASYNC109
+13 |     ...
+   |
+   = help: Use `trio.fail_after` instead