update env vars for testing

api/test/.env.test.example

@@ -1,5 +1,6 @@
 # Test DB URI. You can use your actual MONGO_URI if you don't mind it potentially including test data.
 MONGO_URI=mongodb://127.0.0.1:27017/chatgpt-jest
+MONGO_DB_NAME=librechat-test
 
 # Credential encryption/decryption for testing
 CREDS_KEY=c3301ad2f69681295e022fb135e92787afb6ecfeaa012a10f8bb4ddf6b669e6d

api/test/jestSetup.js

@@ -2,6 +2,7 @@
 require('dotenv').config({ path: './test/.env.test' });
 
 process.env.MONGO_URI = 'mongodb://127.0.0.1:27017/dummy-uri';
+process.env.MONGO_DB_NAME = 'librechat-test'
 process.env.BAN_VIOLATIONS = 'true';
 process.env.BAN_DURATION = '7200000';
 process.env.BAN_INTERVAL = '20';