shutdown scrollbas

tests/test_test_runner.py

@@ -0,0 +1,21 @@
+from textual.app import App
+from textual import events
+
+
+async def test_run_test() -> None:
+    """Test the run_test context manager."""
+    keys_pressed: list[str] = []
+
+    class TestApp(App[str]):
+        def on_key(self, event: events.Key) -> None:
+            keys_pressed.append(event.key)
+
+    app = TestApp()
+    async with app.run_test() as pilot:
+        assert str(pilot) == "<Pilot app=TestApp(title='TestApp')>"
+        await pilot.press("tab", *"foo")
+        await pilot.pause(1 / 100)
+        await pilot.exit("bar")
+
+    assert app.return_value == "bar"
+    assert keys_pressed == ["tab", "f", "o", "o"]