added test for new user routes

__tests__/auth/__snapshots__/refreshjwt.test.js.snap

__tests__/auth/refreshjwt.test.js

__tests__/manualREST/users.rest

__tests__/users/__snapshots__/delete.test.js.snap

__tests__/users/__snapshots__/getMultiple.test.js.snap

__tests__/users/__snapshots__/getOne.test.js.snap

__tests__/users/__snapshots__/update.test.js.snap

__tests__/users/delete.test.js

__tests__/users/getMultiple.test.js

__tests__/users/getOne.test.js

__tests__/users/update.test.js

controllers/Auth.js

controllers/User.js

coverage/clover.xml

coverage/coverage-final.json

coverage/index.html

coverage/ragchat-api/__tests__/ai/chat.test.js.html

coverage/ragchat-api/__tests__/ai/chats.test.js.html

coverage/ragchat-api/__tests__/ai/delete.test.js.html

coverage/ragchat-api/__tests__/ai/index.html