Fab-18337 Ch.Part.API: Test join system channel with app channels (#2128)
Fab-18337 Ch.Part.API: Test join system channel with app channels (#2128)

Creating the system channel with config block with number >0, when
there are already channels referenced (created) by it, such that
on-boarding is needed for both the system channel and additional
application channels.

Signed-off-by: Yoav Tock <618f5b57a756fd7973a0b7f687acf4b909eff682@il.ibm.com>
Change-Id: I01b3791955aaac7d599090fe8f6955c54b179b05
manish-sethi/fabric,manish-sethi/fabric-sidedb,manish-sethi/fabric-sidedb,stemlending/fabric,hyperledger/fabric,hyperledger/fabric,stemlending/fabric,stemlending/fabric,manish-sethi/fabric-sidedb,manish-sethi/fabric,manish-sethi/fabric-sidedb,stemlending/fabric,manish-sethi/fabric-sidedb,jimthematrix/fabric,manish-sethi/fabric-sidedb,jimthematrix/fabric,manish-sethi/fabric-sidedb