Fix missing utf-8 decoding in tests (#6641)

panel/pane/_textual.py

@@ -11,14 +11,8 @@
 
 class PanelDriver(Driver):
 
-    def __init__(
-        self,
-        app: App,
-        *,
-        debug: bool = False,
-        size: tuple[int, int] | None = None
-    ) -> None:
-        super().__init__(app, debug=debug, size=size)
+    def __init__(self, app: App, /, **kwargs) -> None:
+        super().__init__(app, **kwargs)
         self._terminal = app.__panel__._terminal
         self._input_initialized = False
         self._input_watcher = None

panel/tests/test_docs.py

@@ -75,7 +75,7 @@ def is_panel_pane(attr):
 def find_indexed(index):
     indexed = []
     toctree = False
-    for line in index.read_text().split('\n'):
+    for line in index.read_text(encoding="utf-8").split('\n'):
         if line == '```{toctree}':
             toctree = True
         elif not toctree:

panel/tests/ui/layout/test_accordion.py

@@ -20,13 +20,13 @@ def accordion_components():
 
 
 def is_collapsed(card_object, card_content):
-    expect(card_object).to_contain_text("\u25ba")
+    expect(card_object.locator('svg')).to_have_class("icon icon-tabler icons-tabler-outline icon-tabler-chevron-right")
     expect(card_object).not_to_contain_text(card_content)
     return True
 
 
 def is_expanded(card_object, card_content):
-    expect(card_object).to_contain_text("\u25bc")
+    expect(card_object.locator('svg')).to_have_class("icon icon-tabler icons-tabler-outline icon-tabler-chevron-down")
     expect(card_object).to_contain_text(card_content)
     return True
 

panel/tests/ui/layout/test_card.py

@@ -37,8 +37,7 @@ def test_card_default(page, card_components):
 
     # icon display in card button in expanded mode
     card_button = page.locator('.card-button')
-    button_name = card_button.inner_text()
-    assert button_name == "\u25bc"
+    expect(card_button.locator('svg')).to_have_class("icon icon-tabler icons-tabler-outline icon-tabler-chevron-down")
 
 
 def test_card_collapsed(page, card_components):
@@ -52,15 +51,15 @@ def test_card_collapsed(page, card_components):
     # collapse the card
     card_button.wait_for()
     card_button.click()
-    assert card_button.inner_text() == "\u25ba"
+    expect(card_button.locator('svg')).to_have_class("icon icon-tabler icons-tabler-outline icon-tabler-chevron-right")
     # only show the card header, other elements are hidden
     expect(card_elements).to_have_count(1)
 
     # expand the card again
     card_button.wait_for()
     card_button.click()
     expect(card_elements).to_have_count(len(card) + 1)
-    assert card_button.inner_text() == "\u25bc"
+    expect(card_button.locator('svg')).to_have_class("icon icon-tabler icons-tabler-outline icon-tabler-chevron-down")
 
 
 def test_card_not_collapsible(page, card_components):