test: replace 'after' hook with 'afterEach' to ensure directory deletion (#737)

* fix: replace 'after' hook with 'afterEach' to delete bucket before each retry

Change-Id: Ia9323762e3c68916217fc734df1df485c9b0e83c

* fix: replace 'after' hook with 'afterEach' for translate text beta and translate text with model

Change-Id: Ic32bea9ea1ef93e622f76b5d45bae2a62f577532

Author: aribray

translate/test/v3/translate_batch_translate_text_with_model.test.js

@@ -15,7 +15,7 @@
 'use strict';
 
 const {assert} = require('chai');
-const {describe, it, before, after} = require('mocha');
+const {describe, it, before, afterEach} = require('mocha');
 const {TranslationServiceClient} = require('@google-cloud/translate');
 const {Storage} = require('@google-cloud/storage');
 const cp = require('child_process');
@@ -80,7 +80,7 @@ describe(REGION_TAG, () => {
   });
 
   // Delete the folder from GCS for cleanup
-  after(async () => {
+  afterEach(async () => {
     const projectId = await translationClient.getProjectId();
     const options = {
       prefix: `translation-${bucketUuid}`,

translate/test/v3beta1/translate_batch_translate_document.test.js

@@ -15,7 +15,7 @@
 'use strict';
 
 const {assert} = require('chai');
-const {describe, it, before, after} = require('mocha');
+const {describe, it, before, afterEach} = require('mocha');
 const {TranslationServiceClient} = require('@google-cloud/translate').v3beta1;
 const {Storage} = require('@google-cloud/storage');
 const cp = require('child_process');
@@ -65,7 +65,7 @@ describe(REGION_TAG, () => {
   });
 
   // Delete the folder from GCS for cleanup
-  after(async () => {
+  afterEach(async () => {
     const projectId = await translationClient.getProjectId();
     const options = {
       prefix: `translation-${bucketUuid}`,

translate/test/v3beta1/translate_batch_translate_text_beta.test.js

@@ -15,7 +15,7 @@
 'use strict';
 
 const {assert} = require('chai');
-const {describe, it, before, after} = require('mocha');
+const {describe, it, before, afterEach} = require('mocha');
 const {TranslationServiceClient} = require('@google-cloud/translate').v3beta1;
 const {Storage} = require('@google-cloud/storage');
 const cp = require('child_process');
@@ -66,7 +66,7 @@ describe(REGION_TAG, () => {
   });
 
   // Delete the folder from GCS for cleanup
-  after(async () => {
+  afterEach(async () => {
     const projectId = await translationClient.getProjectId();
     const options = {
       prefix: `translation-${bucketUuid}`,