Wrong in documentation/tutorial?

Why in the second test group we have still confluence but its ID is jira?
Linkt to tutoriall
https://developer.atlassian.com/server/framework/atlassian-sdk/create-and-run-traditional-integration-tests/

> <configuration>
>     <products>
>         <product>
>             <id>confluence</id>
>             <instanceId>confluence-3.3.1</instanceId>
>             <productVersion>3.3.1</productVersion>
>             <productDataVersion>3.0</productDataVersion>
>         </product>
>         <product>
>             <id>confluence</id>
>             <instanceId>confluence-3.4.0</instanceId>
>             <productVersion>3.4.0</productVersion>
>             <productDataVersion>3.0</productDataVersion>
>         </product>
>         <product>
>             <id>jira</id>
>             <instanceId>jiraExpected</instanceId>
>             <productVersion>${jira.version}</productVersion>
>             <productDataVersion>${jira.version}</productDataVersion>
>         </product>
>     </products>
>     <testGroups>
>         <testGroup>
>             <id>allConfluence</id>
>             <productIds>
>                 <productId>confluence-3.3.1</productId>
>                 <productId>confluence-3.4.0</productId>
>             </productIds>
>             <includes>
>                 <include>it/**/confluence/*Test.java</include>
>             </includes>
>         </testGroup>
>         <testGroup>
>             <id>jira</id>
>             <productIds>
>                 <productId>confluence-3.3.1</productId>
>                 <productId>confluence-3.4.0</productId>
>             </productIds>
>             <includes>
>                 <include>it/**/confluence/*Test.java</include>
>             </includes>
>         </testGroup>
>         <testGroup>
>             <id>jira-integration</id>
>             <productIds>
>                 <productId>jira</productId>
>             </productIds>
>             <includes>
>                 <include>it/**/jira/*Test.java</include>
>             </includes>
>             </testGroup>
>     </testGroups>
> </configuration>

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