Test simple parquet scheme (#1810)
Test simple parquet scheme (#1810)

* Test simple parquet scheme

* Fix test and flake

jakirkham/dask,mraspaud/dask,mrocklin/dask,mraspaud/dask,ContinuumIO/dask,ContinuumIO/dask,blaze/dask,blaze/dask,mrocklin/dask,jcrist/dask,gameduell/dask,cpcloud/dask,jcrist/dask,dask/dask,chrisbarber/dask,jakirkham/dask,dask/dask