Tasking 任务分解

完成测试的步骤

• Go to Amazon
• Sign In
  • Nav to Sign In
  • Click Sign In
  • Input username
  • Input email
  • Confirm email
  • Input password
  • Confirm password
  • Click 'create account'
• Search
  • Input keyword
  • Click search
• Buy
  • Find product
  • Click 'Buy'