Revert "spec"

This reverts commit 11dc47880c11d6fbaf94a470435ef3e1bcca0cab.
Revert "create rspec"

This reverts commit c95d7c885cea4e3c3161399e7148d2bb9188097a.
Revert "Revert "spec""

This reverts commit f3d1a5523e5fe0227481a96e01b1d2bd47698136.