tests/test_sprocs.py: Specify value for output params
tests/test_sprocs.py: Specify value for output params

Specify value for output params binded in testDecimal and testNumeric so
that we specify the precision and scale desired.

JimDennis/pymssql,Aloomaio/pymssql,pymssql/pymssql,klothe/pymssql,klothe/pymssql,pymssql/pymssql,ramiro/pymssql,JimDennis/pymssql,msabramo/pymssql,msabramo/pymssql,zerolugithub/pymssql,zerolugithub/pymssql,klothe/pymssql,bladams/pymssql,zerolugithub/pymssql,Aloomaio/pymssql,bladams/pymssql,JimDennis/pymssql,ramiro/pymssql,ramiro/pymssql,bladams/pymssql,Aloomaio/pymssql,msabramo/pymssql