Added another test for FOR - THE - HASH-KEYS - OF ... USING.
Added another test for FOR - THE - HASH-KEYS - OF ... USING.

vtomole/SICL,clasp-developers/SICL,clasp-developers/SICL,clasp-developers/SICL,vtomole/SICL,clasp-developers/SICL,vtomole/SICL,vtomole/SICL