Chan.Part.API: test member to follower transition
Chan.Part.API: test member to follower transition

FAB-18129 #done

Signed-off-by: Will Lahti <f19a2779710675aad3df5c81e4ecfde11707e3aa@us.ibm.com>

stemlending/fabric,manish-sethi/fabric-sidedb,manish-sethi/fabric-sidedb,manish-sethi/fabric,hyperledger/fabric,manish-sethi/fabric-sidedb,manish-sethi/fabric-sidedb,stemlending/fabric,manish-sethi/fabric,manish-sethi/fabric-sidedb,hyperledger/fabric,manish-sethi/fabric-sidedb,jimthematrix/fabric,stemlending/fabric,manish-sethi/fabric-sidedb,stemlending/fabric,jimthematrix/fabric