Implement test for required input mappings
Implement test for required input mappings

mathstuf/sprokit,Kitware/sprokit,Kitware/sprokit,linus-sherrill/sprokit,Kitware/sprokit,mathstuf/sprokit,mathstuf/sprokit,linus-sherrill/sprokit,Kitware/sprokit,linus-sherrill/sprokit,mathstuf/sprokit,linus-sherrill/sprokit