MNT:Bunch of pep8 fixes to tests module
MNT:Bunch of pep8 fixes to tests module

ericdill/databroker,arkilic/metadatastore,arkilic/metadatastore,ericdill/databroker,tacaswell/metadataStore,NSLS-II/metadatastore,hhslepicka/metadatastore,tacaswell/metadataStore,NSLS-II/metadatastore,hhslepicka/metadatastore