added feed api unit tests
added feed api unit tests

hhroc/yellr-server,hhroc/yellr-server,thequbit/yellr-server,hhroc/yellr-server,hhroc/yellr-server,thequbit/yellr-server,Nolski/yellr-server,Nolski/yellr-server,Nolski/yellr-server,thequbit/yellr-server,Nolski/yellr-server,thequbit/yellr-server