Add test on fetch info

Author: bidoubiwa

tests/index.test.ts

@@ -327,19 +327,18 @@ describe.each([{ permission: 'Master' }, { permission: 'Private' }])(
       expect(response).toHaveProperty('fieldDistribution', {})
     })
 
-    test(`${permission} key: Get updatedAt and createdAt of created index`, async () => {
+    test(`${permission} key: Get updatedAt and createdAt through fetch info`, async () => {
       const client = await getClient(permission)
       const { uid } = await client.createIndex(indexPk.uid)
       await client.waitForTask(uid)
 
-      const index = client.index(indexPk.uid)
-      await index.getRawInfo()
+      const index = await client.index(indexPk.uid).fetchInfo()
 
       expect(index.createdAt).toBeInstanceOf(Date)
       expect(index.updatedAt).toBeInstanceOf(Date)
     })
 
-    test(`${permission} key: Get updatedAt and createdAt index witch fetched information`, async () => {
+    test(`${permission} key: Get updatedAt and createdAt index through getRawInfo`, async () => {
       const client = await getClient(permission)
       const { uid } = await client.createIndex(indexPk.uid)
       await client.waitForTask(uid)