chore: workflows

.github/workflows/test.yml

@@ -0,0 +1,16 @@
+name: test
+
+on: [push, pull_request]
+
+jobs:
+  setup:
+    runs-on: ubuntu-latest
+    steps:
+      - name: checkout
+        uses: actions/checkout@v2
+
+      - name: install
+        run: yarn install --pure-lockfile
+      
+      - name: test
+        run: yarn test