[VOL-2364] Adding unit test in the core_proxy package

Change-Id: Ifcaa986ae27280de9f16f3a9cabf45bb94c0d5d8
diff --git a/pkg/adapters/common/adapter_proxy.go b/pkg/adapters/common/adapter_proxy.go
index b302214..02fa3de 100644
--- a/pkg/adapters/common/adapter_proxy.go
+++ b/pkg/adapters/common/adapter_proxy.go
@@ -29,12 +29,12 @@
 )
 
 type AdapterProxy struct {
-	kafkaICProxy *kafka.InterContainerProxy
+	kafkaICProxy kafka.InterContainerProxy
 	adapterTopic string
 	coreTopic    string
 }
 
-func NewAdapterProxy(kafkaProxy *kafka.InterContainerProxy, adapterTopic string, coreTopic string) *AdapterProxy {
+func NewAdapterProxy(kafkaProxy kafka.InterContainerProxy, adapterTopic string, coreTopic string) *AdapterProxy {
 	var proxy AdapterProxy
 	proxy.kafkaICProxy = kafkaProxy
 	proxy.adapterTopic = adapterTopic