refactor: wrap execSync with encoding: utf-8 (#208)

Author: jkwlui

texttospeech/test/audioProfile.test.js

@@ -17,7 +17,9 @@
 
 const fs = require('fs');
 const {assert} = require('chai');
-const {execSync} = require('child_process');
+const cp = require('child_process');
+
+const execSync = cmd => cp.execSync(cmd, {encoding: 'utf-8'});
 
 const cmd = 'node audioProfile.js';
 const text = 'Hello Everybody!  This is an Audio Profile Optimized Sound Byte.';

texttospeech/test/listVoices.test.js

@@ -16,7 +16,9 @@
 'use strict';
 
 const {assert} = require('chai');
-const {execSync} = require('child_process');
+const cp = require('child_process');
+
+const execSync = cmd => cp.execSync(cmd, {encoding: 'utf-8'});
 
 const cmd = 'node listVoices.js';
 

texttospeech/test/quickstart.test.js

@@ -17,7 +17,9 @@
 
 const fs = require('fs');
 const {assert} = require('chai');
-const {execSync} = require('child_process');
+const cp = require('child_process');
+
+const execSync = cmd => cp.execSync(cmd, {encoding: 'utf-8'});
 
 const outputFile = 'output.mp3';
 

texttospeech/test/synthesize.test.js

@@ -18,7 +18,9 @@
 const fs = require('fs');
 const path = require('path');
 const {assert} = require('chai');
-const {execSync} = require('child_process');
+const cp = require('child_process');
+
+const execSync = cmd => cp.execSync(cmd, {encoding: 'utf-8'});
 
 const cmd = 'node synthesize.js';
 const text = 'Hello there.';