revert test utils changes

Author: leibale

packages/test-utils/lib/dockers.ts

@@ -14,7 +14,7 @@ interface ErrorWithCode extends Error {
 
 async function isPortAvailable(port: number): Promise<boolean> {
     try {
-        const socket = createConnection({ host: '0.0.0.0', port });
+        const socket = createConnection({ port });
         await once(socket, 'connect');
         socket.end();
     } catch (err) {

packages/test-utils/lib/index.ts

@@ -136,7 +136,6 @@ export default class TestUtils {
 
             const client = RedisClient.create({
                 ...options?.clientOptions,
-                url: 'redis://0.0.0.0',
                 socket: {
                     ...options?.clientOptions?.socket,
                     port: (await dockerPromise).port