test: remove obsolete hint, char count, and button placement tests

tests/test_app.py

@@ -178,26 +178,6 @@ def test_demo_has_translate_button(demo):
     assert any(b.value == "Translate" for b in buttons), "Expected a 'Translate' button"
 
 
-def _find_ancestor(block, ancestor_type: str):
-    """Walk up the parent chain to find the nearest ancestor of a given type."""
-    node = getattr(block, "parent", None)
-    while node is not None:
-        if type(node).__name__ == ancestor_type:
-            return node
-        node = getattr(node, "parent", None)
-    return None
-
-
-def test_translate_button_in_input_column(demo):
-    """Translate button should be in the same column as the input textbox."""
-    textboxes = [b for b in demo.blocks.values() if type(b).__name__ == "Textbox"]
-    input_tb = [t for t in textboxes if t.interactive is not False][0]
-    buttons = [b for b in demo.blocks.values() if type(b).__name__ == "Button" and b.value == "Translate"]
-    assert len(buttons) == 1
-    input_column = _find_ancestor(input_tb, "Column")
-    button_column = _find_ancestor(buttons[0], "Column")
-    assert input_column is not None, "Input textbox should be inside a Column"
-    assert input_column is button_column, "Translate button should be in the input column"
 
 
 def test_translate_handlers_wire_text_and_language(demo):
@@ -206,26 +186,10 @@ def test_translate_handlers_wire_text_and_language(demo):
     assert len(translate_fns) == 2, f"Expected 2 translate handlers (click + submit), found {len(translate_fns)}"
 
 
-def test_char_count_handler_exists(demo):
-    """Character count handler should wire input text to the HTML info element."""
-    char_fns = [
-        fn
-        for fn in demo.fns.values()
-        if [type(i).__name__ for i in fn.inputs] == ["Textbox"] and [type(o).__name__ for o in fn.outputs] == ["HTML"]
-    ]
-    assert len(char_fns) == 1, f"Expected 1 char count handler, found {len(char_fns)}"
 
 
-def test_char_count_shows_limit(demo):
-    """HTML info element should show '0 / 2,000' format."""
-    html_blocks = [b for b in demo.blocks.values() if type(b).__name__ == "HTML"]
-    assert any("2,000" in (h.value or "") for h in html_blocks), "Expected '2,000' in an HTML block"
 
 
-def test_shortcut_hint_exists(demo):
-    """HTML info element should include shortcut hint."""
-    html_blocks = [b for b in demo.blocks.values() if type(b).__name__ == "HTML"]
-    assert any("Press Ctrl+Enter to apply" in (h.value or "") for h in html_blocks), "Expected hint in an HTML block"
 
 
 def test_no_title(demo):