For Oracle Solaris S11 update releases:
# pkg set-publisher -G '*' -g http://pkg.oracle.com/solaris/release solaris
For Oracle Solaris S11 update SRU releases:
# pkg set-publisher -G '*' -g https://pkg.oracle.com/solaris/support solaris
# pkg refresh --full
# pkg install SunVTS-incorporation sunvts
# pkg update SunVTS-incorporation sunvts