fix bug in script

Author: lrvideckis

tests/scripts/check_format_lint.sh

@@ -36,7 +36,7 @@ find ../library/ library_checker_aizu_tests/ -name "*[A-Z]*" -or -name "*-*" |
 	grep --invert-match "README" &&
 	exit 1
 
-clang-format-19 --dry-run --Werror --style=file:.config/.clang-format library_checker_aizu_tests/**/*.hpp ../library/**/*.hpp ../library/**/*.cpp || exit 1
+clang-format-19 --dry-run --Werror --style=file:.config/.clang-format library_checker_aizu_tests/**/*.hpp library_checker_aizu_tests/**/*.test.cpp ../library/**/*.hpp ../library/**/*.cpp || exit 1
 
 git submodule init
 git submodule update