feat: add pytest-ipywidgets bbox testing, remove playwright

.github/workflows/test-js.yml

@@ -1,4 +1,4 @@
-name: CI
+name: JavaScript Build and Lint
 
 on:
   push:
@@ -11,7 +11,7 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
-  lint-and-test:
+  build-and-lint:
     runs-on: ubuntu-latest
 
     steps:
@@ -42,6 +42,3 @@ jobs:
 
       - name: Lint check
         run: npm run lint
-
-      - name: Test
-        run: npm run test

.github/workflows/test.yml

@@ -59,6 +59,10 @@ jobs:
         run: |
           npm run build
 
+      - name: Install Playwright browsers
+        run: |
+          uv run playwright install chromium
+
       - name: Run tests
         run: uv run pytest