chore(NODE-4884): remove unnecessary ip address family specification in tests (#4590)

Author: baileympearson

test/manual/atlas-data-lake-testing/atlas_data_lake_testing.prose.js

@@ -31,8 +31,7 @@ describe('Atlas Data Lake - prose', function () {
  * If a driver constructs and issues killCursors commands in other ways (e.g. public API), this test MUST be adapted to test all such code paths.
  */
  it('1. Test that the driver properly constructs and issues a killCursors command to Atlas Data Lake.', async function () {
- // TODO(NODE-4884): once happy eyeballs support is added, we no longer need to set the default dns resolution order for CI
- client = new MongoClient('mongodb://mhuser:pencil@localhost', { family: 4 });
+ client = new MongoClient('mongodb://mhuser:pencil@localhost');
  const db = client.db('admin');
  await db.command({ killCursors: 'kill_cursor_collection' });
  });
@@ -41,8 +40,7 @@ describe('Atlas Data Lake - prose', function () {
  * For these tests, create a MongoClient using a valid connection string without auth credentials and execute a ping command.
  */
  it('2. Test that the driver can establish a connection with Atlas Data Lake without authentication.', async function () {
- // TODO(NODE-4884): once happy eyeballs support is added, we no longer need to set the default dns resolution order for CI
- client = new MongoClient('mongodb://localhost', { family: 4 });
+ client = new MongoClient('mongodb://localhost');
  const db = client.db('admin');
  await db.command({ ping: 1 });
  });
@@ -52,10 +50,7 @@ describe('Atlas Data Lake - prose', function () {
  * from the drivers-evergreen-tools ADL configuration and execute a ping command.
  */
  it('3a. Test that the driver can establish a connection with Atlas Data Lake with authentication. (SCRAM-SHA-1)', async function () {
- // TODO(NODE-4884): once happy eyeballs support is added, we no longer need to set the default dns resolution order for CI
- client = new MongoClient('mongodb://mhuser:pencil@localhost?authMechanism=SCRAM-SHA-1', {
- family: 4
- });
+ client = new MongoClient('mongodb://mhuser:pencil@localhost?authMechanism=SCRAM-SHA-1');
  const db = client.db('admin');
  await db.command({ ping: 1 });
  await db.command({ killCursors: 'kill_cursor_collection' });
@@ -65,10 +60,7 @@ describe('Atlas Data Lake - prose', function () {
  * Repeat the authentication test using SCRAM-SHA-256.
  */
  it('3b. Test that the driver can establish a connection with Atlas Data Lake with authentication. (SCRAM-SHA-256)', async function () {
- // TODO(NODE-4884): once happy eyeballs support is added, we no longer need to set the default dns resolution order for CI
- client = new MongoClient('mongodb://mhuser:pencil@localhost?authMechanism=SCRAM-SHA-256', {
- family: 4
- });
+ client = new MongoClient('mongodb://mhuser:pencil@localhost?authMechanism=SCRAM-SHA-256');
  const db = client.db('admin');
  await db.command({ ping: 1 });
  await db.command({ killCursors: 'kill_cursor_collection' });

test/tools/runner/hooks/configuration.ts

@@ -115,12 +115,10 @@ const testConfigBeforeHook = async function () {
  return;
  }
 
- const client = new MongoClient(loadBalanced ? SINGLE_MONGOS_LB_URI : MONGODB_URI, {
- ...getEnvironmentalOptions(),
- // TODO(NODE-4884): once happy eyeballs support is added, we no longer need to set
- // the default dns resolution order for CI
- family: 4
- });
+ const client = new MongoClient(
+ loadBalanced ? SINGLE_MONGOS_LB_URI : MONGODB_URI,
+ getEnvironmentalOptions()
+ );
 
  await client.db('test').command({ ping: 1 });