test: improve CI environment handling and mocking

Co-Authored-By: Nico Krause <[email protected]>

relay/tests/relay.test.js

@@ -23,6 +23,10 @@ import { DoichainRPC } from '../src/doichainRPC.js';
 import { privateKeyFromProtobuf } from '@libp2p/crypto/keys';
 import { peerIdFromPrivateKey } from '@libp2p/peer-id';
 import { formatFileSize } from '../src/utils.js';
+import { connectElectrum } from 'doi-js/connectElectrum';
+import { getNameOpUTXOsOfTxHash } from 'doi-js/getNameOpUTXOsOfTxHash';
+import { nameDoi } from 'doi-js/nameDoi';
+import { getAddressTxs } from 'doi-js/getAddressTxs';
 
 // Load environment variables
 dotenv.config();
@@ -47,7 +51,7 @@ describe('Doichain Relay Pinning Service Test', function () {
   const messages = [];
   before(async function () {
     this.timeout(100000);
-
+    
     // Skip tests if required environment variables are not set
     if (!process.env.RELAY_PRIVATE_KEY) {
       console.log('⚠️ RELAY_PRIVATE_KEY not set, skipping tests');