Update tests

Author: curquiza

tests/base.test.js

@@ -2,5 +2,5 @@ import instantMeiliSearch from '../src/index'
 
 test('Should test if instantMeiliSearch Client is created correctly', () => {
   const client = instantMeiliSearch('http://localhost:7700', 'masterKey')
-  expect(client.attributesToHighlight).toBe('*')
+  expect(client.attributesToHighlight).toBe(['*'])
 })