Fix NPM related tests

Author: titouanmathis

.github/workflows/tests.yml

@@ -85,10 +85,12 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v2
 
-      - uses: actions/setup-node@v1
+      - uses: actions/setup-node@v2
         with:
           node-version: 16
-          registry-url: https://registry.npmjs.org/
+          cache: npm
+      - name: Install modules
+        run: npm install
 
       - run: npm run lint:scripts
 
@@ -99,10 +101,12 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v2
 
-      - uses: actions/setup-node@v1
+      - uses: actions/setup-node@v2
         with:
           node-version: 16
-          registry-url: https://registry.npmjs.org/
+          cache: npm
+      - name: Install modules
+        run: npm install
 
       - run: npm run lint:styles
 
@@ -113,10 +117,12 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v2
 
-      - uses: actions/setup-node@v1
+      - uses: actions/setup-node@v2
         with:
           node-version: 16
-          registry-url: https://registry.npmjs.org/
+          cache: npm
+      - name: Install modules
+        run: npm install
 
       - run: npm run lint:templates
 
@@ -127,9 +133,11 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v2
 
-      - uses: actions/setup-node@v1
+      - uses: actions/setup-node@v2
         with:
           node-version: 16
-          registry-url: https://registry.npmjs.org/
+          cache: npm
+      - name: Install modules
+        run: npm install
 
       - run: npm run build