rails tutorial　11章 3.2.2の演習でtrueにならない

rails tutorial の11.3.2の演習で11.2.4で生成したメールのurlの調べ方がわかりません。

また、user.activatedがtrueになりません。

UserMailer#account_activation: processed outbound mail in 5.1ms
Delivered mail 5d606e97b7a44_28872b106582df988776a@ip-172-31-25-202.mail (3.2ms)
Date: Fri, 23 Aug 2019 22:54:15 +0000
From: noreply@example.com
To: michael@michaelhartl.com
Message-ID: 5d606e97b7a44_28872b106582df988776a@ip-172-31-25-202.mail
Subject: Account activation
Mime-Version: 1.0
Content-Type: multipart/alternative;
boundary="--==_mimepart_5d606e97b6f16_28872b106582df98876dd";
charset=UTF-8
Content-Transfer-Encoding: 7bit

----==_mimepart_5d606e97b6f16_28872b106582df98876dd
Content-Type: text/plain;
charset=UTF-8
Content-Transfer-Encoding: 7bit

Hi Michael Hartl,

Welcome to the Sample App! Click on the link below to activate your account:

https://0ebe1dc6d40e4a4bb06e0ca7fe138127.vfs.cloud9.us-east-2.
amazonaws.com/account_activations/zdqs6sF7BMiDfXBaC7-6vA/
edit?email=michael%40michaelhartl.com

----==_mimepart_5d606e97b6f16_28872b106582df98876dd
Content-Type: text/html;
charset=UTF-8
Content-Transfer-Encoding: 7bit

<!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <style> /* Email styles need to be inline */ </style> </head> <body> <h1>Sample App</h1> <p>Hi Michael Hartl,</p> <p> Welcome to the Sample App! Click on the link below to activate your account: </p>

<a href="https://0ebe1dc6d40e4a4bb06e0ca7fe138127.vfs.cloud9.us-east-2. amazonaws.com/account_activations/zdqs6sF7BMiDfXBaC7-6vA/ edit?email=michael%40michaelhartl.com">Activate</a>

</body> </html>

----==_mimepart_5d606e97b6f16_28872b106582df98876dd--

上記のようなコードはユーザーの作成じ以外で表示できるのでしょうか？