add test file

configs/pricing_schema_pv.csv

@@ -0,0 +1,2 @@
+EndTimestamp,InstanceID,Region,AssetClass,InstanceIDField,InstanceType,MarketPriceHourly,Version
+2019-04-17 23:34:22 UTC,pvc-08e1f205-d7a9-4430-90fc-7b3965a18c4d,,pv,metadata.name,,0.1337,