🔧 add test job

.circleci/config.yml

@@ -1,7 +1,24 @@
 version: 2.1
 orbs:
   node: circleci/node@3.0.0
-workflows:
-  node-tests:
 jobs:
-      - node/test
+  test:
+    docker:
+      - image: node:10.18.0
+
+    working_directory: ~/repo
+
+    steps:
+      - checkout
+      - restore_cache:
+          keys:
+            - v1-dependencies-{{ checksum "package.json" }}
+            - v1-dependencies-
+
+      - run: yarn install
+
+      - save_cache:
+          paths:
+            - node_modules
+          key: v1-dependencies-{{ checksum "package.json" }}
+      - run: yarn run test