👷 add circle ci cache handle config and test job

.circleci/config.yml

@@ -1,7 +1,43 @@
+executors:
+  node:
+    docker:
+      - image: circleci/node:11.10.1
+
+aliases:
+  restore_cache: &restore_cache
+    restore_cache:
+      keys:
+        - yarn-cache-netlify-{{ checksum "yarn.lock" }}
+
+  install_node_modules: &install_node_modules
+    run:
+      command: yarn install
+  save_cache: &save_cache
+    save_cache:
+      key: yarn-cache-netlify-{{ checksum "yarn.lock" }}
+      paths:
+        - ./node_modules
+
 version: 2.1
 orbs:
   node: circleci/node@3.0.0
+jobs:
+  test:
+    executor: node
+    steps:
+      - checkout
+      - <<: *restore_cache
+      - <<: *install_node_modules
+      - <<: *save_cache
+      - run:
+          name: Test
+          command: yarn run test
+
 workflows:
-  node-tests:
+  test_build_and_deploy:
     jobs:
-      - node/test
+      - test:
+          filters:
+            branches:
+              ignore:
+                - gh-pages