small fixes

Author: NihaNallappagari

cns/restserver/internalapi.go

@@ -620,6 +620,7 @@ func (service *HTTPRestService) CreateOrUpdateNetworkContainerInternal(req *cns.
 	} else {
 		logger.Errorf(returnMessage)
 	}
+
 	if service.Options[common.OptProgramSNATIPTables] == true {
 		returnCode, returnMessage = service.programSNATRules(req)
 		if returnCode != 0 {

cns/restserver/ipam_test.go

@@ -2383,7 +2383,7 @@ func TestIPAMRequestIPConfigsProgrammingPendingFailure(t *testing.T) {
 	req.OrchestratorContext = b
 
 	_, err = requestIPConfigsHelper(svc, req)
-	assert.Error(t, err)
+	require.Error(t, err)
 	assert.Contains(t, err.Error(), "not enough IPs available")
 
 	// Verify no IPs were assigned