Update `grade-school` tests#920

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Elahi-cs wants to merge 4 commits intoexercism:mainfrom

Elahi-cs:test--update-grade-school-tests

Commits on Oct 30, 2024

Updated grade-school tests
Elahi Concha
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Commits on Nov 27, 2024

Run clang-format on test file
Elahi Concha
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Commits on Dec 11, 2024

Change example solution to accomodate new test cases
Elahi Concha
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Run clang-format to fix formatting
Elahi Concha
committed