Added test for FOR - EACH - EXTERNAL-SYMBOL - IN and FIND-PACKAGE.
Added test for FOR - EACH - EXTERNAL-SYMBOL - IN and FIND-PACKAGE.

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