FAB-1600 skip TestExecuteConcurrentInvokes

https://jira.hyperledger.org/browse/FAB-1600

TestExecuteConcurrentInvokes fails sporadically. We will skip
this test pending investigation via FAB-1600.

NOTE - this does not address the 20m timeout failures.

Change-Id: I9b44a8427d591518b2d0e2d14828bba694ba7e66
Signed-off-by: Srinivasan Muralidharan <[email protected]>

Author: Srinivasan Muralidharan

core/chaincode/concurrency_test.go

@@ -30,6 +30,9 @@ import (
 //TestExecuteConcurrentInvokes deploys newkeyperinvoke and runs 100 concurrent invokes
 //followed by concurrent 100 queries to validate
 func TestExecuteConcurrentInvokes(t *testing.T) {
+	//this test fails occasionally. FAB-1600 is opened to track this issue
+	//skip meanwhile so as to not block CI
+	t.Skip()
 	chainID := util.GetTestChainID()
 
 	lis, err := initPeer(chainID)