test fixes

src/textual/app.py

@@ -462,9 +462,6 @@ class App(Generic[ReturnType], DOMNode):
     SUSPENDED_SCREEN_CLASS: ClassVar[str] = ""
     """Class to apply to suspended screens, or empty string for no class."""
 
-    HOVER_EFFECTS_SCROLL_PAUSE: ClassVar[float] = 0.02
-    """Seconds to pause hover effects for when scrolling."""
-
     _PSEUDO_CLASSES: ClassVar[dict[str, Callable[[App[Any]], bool]]] = {
         "focus": lambda app: app.app_focus,
         "blur": lambda app: not app.app_focus,
@@ -2824,8 +2821,6 @@ class App(Generic[ReturnType], DOMNode):
         Args:
             widget: Widget under mouse, or None for no widgets.
         """
-        if widget is not None and widget.is_scrolling:
-            return
         if widget is None:
             if self.mouse_over is not None:
                 try:

tests/css/test_nested_css.py

@@ -72,10 +72,10 @@ async def test_lists_of_selectors_in_nested_css() -> None:
 class DeclarationAfterNestedApp(App[None]):
     CSS = """
     Screen {
+        background: green;
         Label {
             background: red;
         }        
-        background: green;
     }
     """
 

tests/snapshot_tests/snapshot_apps/dock_scroll_off_by_one.py

@@ -4,7 +4,6 @@ from textual.widgets import Checkbox, Footer
 
 class ScrollOffByOne(App):
     AUTO_FOCUS = None
-    HOVER_EFFECTS_SCROLL_PAUSE = 0.0
 
     def compose(self) -> ComposeResult:
         for number in range(1, 100):

tests/snapshot_tests/snapshot_apps/scroll_to.py

@@ -6,7 +6,6 @@ class ScrollOffByOne(App):
     """Scroll to item 50."""
 
     AUTO_FOCUS = None
-    HOVER_EFFECTS_SCROLL_PAUSE = 0
 
     def compose(self) -> ComposeResult:
         for number in range(1, 100):

tests/test_lazy.py

@@ -39,10 +39,11 @@ async def test_lazy_reveal():
     async with app.run_test() as pilot:
         # No #foo on initial mount
 
-        # Only first child should be visible initially
+        # Only first child should be available initially
         assert app.query_one("#foo").display
-        assert not app.query_one("#bar").display
-        assert not app.query_one("#baz").display
+        # Next two aren't mounted yet
+        assert not app.query("#bar")
+        assert not app.query("#baz")
 
         # All children should be visible after a pause
         await pilot.pause()