fix: latex-test failing due to changes in CSS classes

packages/solara-widget-manager/package.json

@@ -28,7 +28,6 @@
     "@lumino/signaling": "^1.4.3",
     "@lumino/virtualdom": "^1.8.0",
     "@lumino/widgets": "^1.18.0",
-    "@types/node": "^16.18.74",
     "katex": "^0.16.09",
     "mermaid": "^8.6.4"
   },

tests/integration/latex_test.py

@@ -18,13 +18,13 @@ def test_widget_latex_solara(solara_test, page_session: playwright.sync_api.Page
     container = widgets.VBox([label], layout={"width": "200px", "height": "100px"})
     display(container)
 
-    page_session.locator(".test-class-latex >> .mjx-c1D438").wait_for()
+    page_session.locator(".test-class-latex >> .mrel").wait_for()
     page_session.evaluate("document.fonts.ready")
     page_session.wait_for_timeout(1000)
     assert_solara_snapshot(page_session.locator(".test-class-latex").screenshot(), postfix=widgets_postfix)
     label.value = r"$\alpha$"
     label.add_class("test-changed-class-latex")
-    page_session.locator(".test-changed-class-latex >> .mjx-c1D6FC").wait_for()
+    page_session.locator(".test-changed-class-latex >> .mathnormal").wait_for()
     page_session.evaluate("document.fonts.ready")
     page_session.wait_for_timeout(1000)
     assert_solara_snapshot(page_session.locator(".test-changed-class-latex").screenshot(), postfix=widgets_postfix + "-changed")