fix(Test): update test exception

[BotellaA]

No description provided.

[github-actions]

Cpp-Linter Report ⚠️

Some files did not pass the configured checks!

clang-tidy (v20.1.8) reports: 4 concern(s)

• tests/mesh/test-csv.cpp:39:6: warning: [misc-use-internal-linkage]

  function 'test_csv_input' can be made static or moved into an anonymous namespace to enforce internal linkage

     39 | void test_csv_input()
        |      ^
        | static 

• tests/mesh/test-csv.cpp:49:72: warning: [cppcoreguidelines-avoid-magic-numbers]

  103455 is a magic number; consider replacing it with a named constant

     49 |     geode::OpenGeodeIOMeshException::test( point_set->nb_vertices() == 103455,
        |                                                                        ^

• tests/mesh/test-csv.cpp:56:6: warning: [misc-use-internal-linkage]

  function 'test_csv_input_with_missing_json' can be made static or moved into an anonymous namespace to enforce internal linkage

     56 | void test_csv_input_with_missing_json()
        |      ^
        | static 

• tests/mesh/test-csv.cpp:68:6: warning: [misc-use-internal-linkage]

  function 'test_csv_input_with_missing_keyword' can be made static or moved into an anonymous namespace to enforce internal linkage

     68 | void test_csv_input_with_missing_keyword()
        |      ^
        | static 

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