[FAB-12230] reduce go routines used by test
[FAB-12230] reduce go routines used by test

The race detector can only handle 8192 routines

Change-Id: I520f3cd0c1865247aaab87b571226f27101ec945
Signed-off-by: Matthew Sykes <89c6e4c9c1046731a9c37abefc223a83de36a5d9@us.ibm.com>

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