LNBits env vars/secrets for tests

Author: chill117

.github/workflows/tests.yml

@@ -20,4 +20,8 @@ jobs:
       - name: Install dependencies
         run: npm ci
       - name: Run Tests
+        env:
+          TEST_LNBITS_CONFIG: '{"baseUrl":"${{ env.LNBITS_BASE_URL }}","adminKey":"${{ secrets.LNBITS_ADMIN_KEY }}"}'
+          TEST_LNBITS_ADDINVOICE: '{"amount":50000}'
+          TEST_LNBITS_GETBALANCE: '{}'
         run: npm test