ci: add test script

.github/workflows/build.yml

@@ -1,10 +1,6 @@
 name: Build
 
 on:
-  push:
-    branches: [$default-branch]
-    paths-ignore:
-      - '**.md'
   pull_request:
     paths-ignore:
       - '**.md'

.github/workflows/test.yml

@@ -0,0 +1,32 @@
+name: Test
+
+on:
+  push:
+    branches: [$default-branch]
+    paths-ignore:
+      - '**.md'
+  pull_request:
+    paths-ignore:
+      - '**.md'
+  workflow_dispatch:
+
+jobs:
+  setup_and_build:
+    runs-on: macos-11
+    steps:
+      - name: Setup node
+        uses: actions/setup-node@v2
+        with:
+          node-version: '16.13.1'
+
+      - name: Set yarn version
+        run: yarn set version 1.22.18
+
+      - name: Checkout Books
+        uses: actions/checkout@v2
+
+      - name: Install Dependencies
+        run: yarn
+
+      - name: Yarn Tests
+        run: yarn test