Added more webdriver tests testing against a real browser.

.circleci/config.yml

@@ -0,0 +1,27 @@
+version: 2
+jobs:
+  build:
+    docker:
+      # specify the version you desire here
+      - image: node:8
+      - image: selenium/standalone-chrome:3.1.0
+    working_directory: ~/repo
+    steps:
+      - checkout
+      - run:
+          name: "Create artifacts directory"
+          command: mkdir /tmp/artifacts
+      - restore_cache:
+          key: v1-dependencies-{{ checksum "package.json" }}
+
+      - run: npm install
+
+      - save_cache:
+          paths:
+            - node_modules
+          key: v1-dependencies-{{ checksum "package.json" }}
+
+      - run: mkdir -p /tmp/artifacts/logs
+      - run: DOCKER_HOST=localhost npm test
+      - run: npm run build
+      - run: ./node_modules/.bin/istanbul report --include /tmp/artifacts/coverage/coverage.json --dir /tmp/artifacts/coverage html lcov