VOL-2776 Restore numberOfDeviceTestRuns to 2

Change-Id: I63afe388dd91b31e59fb1f11cf26c3b7e18fe51c
diff --git a/rw_core/core/grpc_nbi_api_handler_test.go b/rw_core/core/grpc_nbi_api_handler_test.go
index e46842f..0490c5f 100755
--- a/rw_core/core/grpc_nbi_api_handler_test.go
+++ b/rw_core/core/grpc_nbi_api_handler_test.go
@@ -1143,7 +1143,7 @@
 	// 2. Test adapter registration
 	nb.testAdapterRegistration(t, nbi)
 
-	numberOfDeviceTestRuns := 1 // 2
+	numberOfDeviceTestRuns := 2
 	for i := 1; i <= numberOfDeviceTestRuns; i++ {
 		//3. Test create device
 		nb.testCreateDevice(t, nbi)