add testing workflow

.github/workflows/deploying.yml

@@ -1,12 +1,9 @@
-name: Build & deploy
+name: Deploying
 
 on:
   push:
     branches:
       - master
-  pull_request:
-    branches:
-      - master
 
 jobs:
   build:
@@ -38,7 +35,6 @@ jobs:
     name: Deploy
     needs: build
     runs-on: ubuntu-latest
-    if: github.ref == 'refs/heads/master'
     
     steps:
     - name: Download artifact

.github/workflows/linting.yml

@@ -34,6 +34,6 @@ jobs:
         uses: wearerequired/lint-action@v2
         with:
           eslint: true
-          eslint_args: src
+          eslint_args: --max-warnings=0 src
           eslint_extensions: tsx,ts
           eslint_auto_fix: false

.github/workflows/testing.yml

@@ -0,0 +1,30 @@
+name: Testing
+
+on:
+  push:
+    branches:
+      - next
+  pull_request:
+    types: [opened, reopened]
+
+permissions: read-all
+
+jobs:
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+    
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v2
+    
+    - name: Install Node.js
+      uses: actions/setup-node@v1
+      with:
+        node-version: 16
+    
+    - name: Install Yarn packages
+      run: yarn install
+    
+    - name: Build project
+      run: yarn build