Update AccountConfTest.php to fix casing typo

[tchalvak]

Purpose of PR:

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Before

After

For Non-Hotfixes:

Attached Screenshot of my change:

Things that make review take longer:

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• Changing more than 20 files (much harder to review)
• Changing more than 5 files (a bit harder to review)
• Changes to critical code (login, dashboard, etc)
• No comments on changed files
• Tests do not pass (will get pushed back)

Things that make review faster and easier:

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• I attached a screenshot of the changed part of the app working
• I added tests
• This feature is requested specifically by a user
• This will fix a bug

Preview results in my branch at the url:

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