Run plotting tests.
Run plotting tests.

jrleeman/MetPy,Unidata/MetPy,dopplershift/MetPy,ShawnMurd/MetPy,jrleeman/MetPy,deeplycloudy/MetPy,ahaberlie/MetPy,ahaberlie/MetPy,dopplershift/MetPy,Unidata/MetPy,ahill818/MetPy