feat: add Australian English helper method

README.md

@@ -154,6 +154,7 @@ const turkish = voices.turkish()
 const american = voice.american()
 const brazilian = voice.brazilian()
 const british = voices.british()
+const australian = voices.australian()
 
 ```
 
@@ -182,7 +183,7 @@ To run the tests, go to the terminal and enter:
 - [ ] Implement a helper for `Swedish`
 - [ ] Implement a helper for `Indian English`
 - [ ] Implement a helper for `Canadian French`
-- [ ] Implement a helper for `Australian English`
+- [x] Implement a helper for `Australian English`
 - [ ] Implement a helper for `Romanian`
 - [x] Implement a helper for `Turkish`
 - [ ] Implement a helper for `French`

src/index.js

@@ -54,6 +54,10 @@ export default class Voices {
     return this.byLangCode('en-US')
   }
 
+  australian () {
+    return this.byLangCode("en-AU")
+  }
+
   brazilian () {
     return this.byLangCode('pt-BR')
   }

test/index.test.js

@@ -71,6 +71,20 @@ const mockVoices = [{
   Id: 'Justin',
   LanguageCode: 'en-GB'
 },
+{
+  Gender: 'Female',
+  Name: 'Nicole',
+  LanguageName: 'Australian English',
+  Id: 'Nicole',
+  LanguageCode: 'en-AU'
+},
+{
+  Gender: 'Male',
+  Name: 'Russell',
+  LanguageName: 'Australian English',
+  Id: 'Russell',
+  LanguageCode: 'en-AU'
+},
 {
   Gender: 'Female',
   Name: 'Maja',
@@ -168,6 +182,20 @@ describe('Voices', () => {
     spy.mockRestore()
   })
 
+  test('it should return AUSTRALIAN ENGLISH voice data', () => {
+    const spy = jest.spyOn(voices, 'byLangCode')
+    const australian = voices.australian()
+
+    expect(australian.val).toBeArray()
+    expect(australian.val[0]).toBeObject()
+    expect(australian.val[0]).toContainAllKeys(voiceObjectKeys)
+    expect(australian.id).toBeString()
+
+    expect(spy).toHaveBeenCalledWith('en-AU')
+
+    spy.mockRestore()
+  })
+
   test('it should return RUSSIAN voice data', () => {
     const spy = jest.spyOn(voices, 'byLangCode')
     const russian = voices.russian()