Add tests for SCTP serialization.
Add tests for SCTP serialization.

Note:  I had to add 0x00 padding to some of the packets that were less than
Ethernet's minimum 60 bytes, to make the serialization match.

rouzier/gopacket,urso/gopacket,google/gopacket,dutchcoders/gopacket,UIKit0/gopacket-1,LrsK/gopacket,breml/gopacket,packetb-old/gopacket,dutchcoders/gopacket,levigross/gopacket,clarktrimble/gopacket,hkwi/gopacket,packetbeat/gopacket,ross-williams/gopacket,LrsK/gopacket,aeppert/gopacket,vtolstov/gopacket,chapayGhub/gopacket,dazer-chen/gopacket,lokikiller/gopacket,zerklabs/gopacket,adriantam/gopacket,1d4Nf6/gopacket,chapayGhub/gopacket,josephcopenhaver/gopacket,packetb-old/gopacket,hkwi/gopacket,ccordes-snaproute/gopacket,packetbeat/gopacket,clarktrimble/gopacket,levigross/gopacket,aeppert/gopacket,ross-williams/gopacket,wheelcomplex/gopacket,xuzhaokui/gopacket,skyportsystems/gopacket,ccordes-snaproute/gopacket,aeppert/gopacket,adriantam/gopacket,google/gopacket,scroot/gopacket,rouzier/gopacket,breml/gopacket,packetb-old/gopacket,dutchcoders/gopacket,packetbeat/gopacket,clarktrimble/gopacket,1d4Nf6/gopacket,scroot/gopacket,dazer-chen/gopacket,levigross/gopacket,nhooyr/gopacket,zerklabs/gopacket,ccordes-snaproute/gopacket,adriantam/gopacket,google/gopacket,wheelcomplex/gopacket,wheelcomplex/gopacket,lokikiller/gopacket,dazer-chen/gopacket,urso/gopacket,vtolstov/gopacket,josephcopenhaver/gopacket,skyportsystems/gopacket,ross-williams/gopacket,breml/gopacket,packetbeat/gopacket,LrsK/gopacket,xuzhaokui/gopacket,lokikiller/gopacket,zerklabs/gopacket,xuzhaokui/gopacket,rouzier/gopacket,chapayGhub/gopacket,nhooyr/gopacket,hkwi/gopacket,vtolstov/gopacket,urso/gopacket,1d4Nf6/gopacket,packetb-old/gopacket,skyportsystems/gopacket,UIKit0/gopacket-1,josephcopenhaver/gopacket,scroot/gopacket,nhooyr/gopacket,UIKit0/gopacket-1