Adjust CI

Author: vidartf

.travis.yml

@@ -11,20 +11,17 @@ before_install:
   - nvm install 6
   - pip install cookiecutter
 install:
+  - pushd $(mktemp -d)
+  - cookiecutter $TRAVIS_BUILD_DIR --config-file $TRAVIS_BUILD_DIR/tests/testconfig.yaml --no-input
+  - pushd jupyter-widget-testwidgets
+  - pip install --upgrade -v -e ".[test]"
+before_script:
   - |
-    pushd $(mktemp -d)
-    cookiecutter $TRAVIS_BUILD_DIR --config-file $TRAVIS_BUILD_DIR/tests/testconfig.yaml --no-input
-    pushd jupyter-widget-testwidgets
-    pip install --upgrade -v ".[test]"
+    export CHROME_BIN=chromium-browser
+    export DISPLAY=:99.0
+    sh -e /etc/init.d/xvfb start
 script:
-  - |
-    py.test
-    npm test
-    popd
-    popd
-before_cache:
-  # Do not cache our own package
-  - |
-    rm -rf packages/{{ cookiecutter.jlab_extension_name }}/node_modules/{{ cookiecutter.npm_package_name }}
-after_success:
-    - codecov
+  - py.test
+  - npm test
+  - popd
+  - popd