Fix tests batcomputer

[vandaimer]

What is the goal of this PR? | Qual é o objetivo deste PR?

Improve the code to accept case-insensitive inputs.

What has been done to achieve the goal? | O que foi feito para alcançar o objetivo?

Take the inputs and transform them to lowercase.

How to test if the changes work? | Como testar se as alterações funcionam?

Before this change:

• batman works :tada:
• Batman doesn't work :cry:
• BATMAN doesn't work :cry:

With this improvement:

• batman works :tada:
• Batman works :tada:
• BATMAN works :tada:

[vandaimer]

@mateusoliveira43 - pushed all changes! Hopefully, CI won't complain now hahaha

[mateusoliveira43]

Thanks for the work @vandaimer

The CI broke the last time, but because of a project mistake, not yours (fork branch do not have access to repository secrets, but there is a way to fix this using workflow run)