Generate private key in test workflow

Author: mrkvon

.github/workflows/test.yml

@@ -18,5 +18,8 @@ jobs:
       - name: Install dependencies
         run: yarn install --frozen-lockfile
 
+      - name: Generate private key
+        run: openssl ecparam -name prime256v1 -genkey -noout -out ecdsa-p256-private.pem
+
       - name: Run tests
         run: yarn test