fix typos in the tests directory (#36932)
* chore: fix typos in test codes
* chore: fix typos in test codes
* chore: fix typos in test codes
* chore: fix typos in test codes
* chore: fix typos in test codes
* chore: fix typos in test codes
* chore: fix typos in test codes
* chore: fix typos in test codes
* chore: format codes
