Rework code for test-cases for upnp-core-ssdp a bit.
Rework code for test-cases for upnp-core-ssdp a bit.

ismaelgaudioso/Coherence,coherence-project/Coherence,unintended/Cohen,ismaelgaudioso/Coherence,furbrain/Coherence,furbrain/Coherence,coherence-project/Coherence,unintended/Cohen