refactor: update client creation method and improve error message in tests

Author: Breimerct

tests/app/app.test.ts

@@ -1,12 +1,12 @@
-import { createBrexClient, DELETE, GET, HEAD, OPTIONS, PATCH, POST, PUT } from '../../src/app';
+import { createBrex, DELETE, GET, HEAD, OPTIONS, PATCH, POST, PUT } from '../../src/app';
 
 import { describe, it, expect } from 'vitest';
 
 const baseURL = 'https://jsonplaceholder.typicode.com/';
 
 describe('Base app HTTP Client', () => {
   it('should create a Brex client with default config', async () => {
-    const client = createBrexClient({ baseURL });
+    const client = createBrex({ baseURL });
 
     const response = await client.request({
       method: 'GET',
@@ -106,7 +106,7 @@ describe('Base app HTTP Client', () => {
   });
 
   it('should handle request with timeout', async () => {
-    const client = createBrexClient({ baseURL, timeout: 1000 });
+    const client = createBrex({ baseURL, timeout: 1000 });
 
     const response = await client.request({
       method: 'GET',

tests/helpers/helpers.test.ts

@@ -67,7 +67,7 @@ describe('Helpers', () => {
     const httpError = createHttpError(null, 500);
 
     expect(httpError).toEqual({
-      message: 'Unknown error',
+      message: 'Internal Server Error',
       status: 500,
       code: HttpCode[500],
     });