Add refactored version of original test.
Add refactored version of original test.

dopplershift/MetPy,jrleeman/MetPy,ShawnMurd/MetPy,Unidata/MetPy,jrleeman/MetPy,Unidata/MetPy,ahaberlie/MetPy,ahaberlie/MetPy,dopplershift/MetPy