testing: Add sdp.js parse and generate test
testing: Add sdp.js parse and generate test

Closes #530.

stefhak/openwebrtc,multipath-rtp/openwebrtc,philn/openwebrtc,philn/openwebrtc,pererikb/openwebrtc,alessandrod/openwebrtc,EricssonResearch/openwebrtc,pererikb/openwebrtc,EricssonResearch/openwebrtc,EricssonResearch/openwebrtc,EricssonResearch/openwebrtc,pererikb/openwebrtc,alessandrod/openwebrtc,multipath-rtp/openwebrtc,stefhak/openwebrtc,pererikb/openwebrtc,shoreflyer/openwebrtc,EricssonResearch/openwebrtc,pererikb/openwebrtc,alessandrod/openwebrtc,stefhak/openwebrtc,multipath-rtp/openwebrtc,shoreflyer/openwebrtc,shoreflyer/openwebrtc,shoreflyer/openwebrtc,alessandrod/openwebrtc,pererikb/openwebrtc,stefhak/openwebrtc,alessandrod/openwebrtc,philn/openwebrtc,stefhak/openwebrtc,multipath-rtp/openwebrtc,multipath-rtp/openwebrtc,philn/openwebrtc,shoreflyer/openwebrtc,alessandrod/openwebrtc,EricssonResearch/openwebrtc,multipath-rtp/openwebrtc,shoreflyer/openwebrtc,pererikb/openwebrtc,philn/openwebrtc,shoreflyer/openwebrtc,EricssonResearch/openwebrtc,philn/openwebrtc,philn/openwebrtc,stefhak/openwebrtc,multipath-rtp/openwebrtc