Revert "adding support for res_json_field_match_object"

This reverts commit 5d2684aa033f40c32e59d294b02c440f54ab0039.
Revert "adding support for POST_OPTIONS as a param in test field"

This reverts commit e061873b6178ae967bef45cb2c1fe87a3eb2d026.
adding support for check_userargs