[FAB-15666] Add config default test for peer
[FAB-15666] Add config default test for peer

Adding defulat value tests for peer config struct.

Change-Id: I57dc3e202206427809efe6fe32f1fdda09e55b93
Signed-off-by: Chongxin Luo <7c0175c1e9b282afeb442298363614962e031204@ibm.com>

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