Added test for FOR-EQUALS-THEN with with explicit macro expansion in first step.
Added test for FOR-EQUALS-THEN with with explicit macro expansion in first step.

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