Fixes Faker::Music::Opera.saint_saens issue

[devashishTaneja]

Motivation / Background

This Pull Request has been created because [REPLACE ME]

Additional information

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[devashishTaneja]

Fixes #2786

[devashishTaneja]

@thdaraujo Please review and merge the PR

[devashishTaneja]

@thdaraujo, @psibi can I get a review for this pr.

[thdaraujo]

Looks good to me. Thanks for fixing it!

[devashishTaneja]

@thdaraujo can you merge?

[sudeeptarlekar]

It would be nice to fix test cases in same PR, but its already merged...

[devashishTaneja]

@sudeeptarlekar I will raise a separate PR for test case fix.