move test files for output transformation plugins

Signed-off-by: Chirayu Chiripal <chirayu.chiripal@gmail.com>
fix failing test cases

Signed-off-by: Chirayu Chiripal <chirayu.chiripal@gmail.com>
fix typo in name

Signed-off-by: Chirayu Chiripal <chirayu.chiripal@gmail.com>