Add test fails

Signed-off-by: Akira Hayakawa <ruby.wktk@gmail.com>
fix: void * shouldn't be recognized as void

Signed-off-by: Akira Hayakawa <ruby.wktk@gmail.com>
fix: ReturnVoid

Signed-off-by: Akira Hayakawa <ruby.wktk@gmail.com>
refactor: returnVoid

Signed-off-by: Akira Hayakawa <ruby.wktk@gmail.com>