Add tabulator UI tests

.github/workflows/test.yaml

@@ -110,11 +110,12 @@ jobs:
           eval "$(conda shell.bash hook)"
           conda activate test-environment
           doit test_examples
-      - name: codecov
-        run: |
-          eval "$(conda shell.bash hook)"
-          conda activate test-environment
-          codecov
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v3
+        with:
+          files: ./coverage.xml
+          flags: unitexamples-tests
+          fail_ci_if_error: false # optional (default = false)
   ui_test_suite:
     name: UI tests on ${{ matrix.os }} with Python 3.9
     needs: [pre_commit]
@@ -173,9 +174,15 @@ jobs:
         run: |
           eval "$(conda shell.bash hook)"
           conda activate test-environment
-          playwright install
+          playwright install chromium
       - name: doit test_ui
         run: |
           eval "$(conda shell.bash hook)"
           conda activate test-environment
           doit test_ui
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v3
+        with:
+          files: ./coverage.xml
+          flags: ui-tests
+          fail_ci_if_error: false # optional (default = false)

.uicoveragerc

@@ -0,0 +1,2 @@
+[run]
+concurrency = greenlet

panel/tests/conftest.py

@@ -37,6 +37,12 @@ def pytest_configure(config):
     else:
         setattr(config.option, 'markexpr', 'not ui')
 
+@pytest.fixture
+def context(context):
+    # Set the default timeout to 20 secs
+    context.set_default_timeout(20_000)
+    yield context
+
 PORT = [6000]
 
 @pytest.fixture