diff --git a/src/main/scala/com/fluency03/blockchain/api/actors/PeerActor.scala b/src/main/scala/com/fluency03/blockchain/api/actors/PeerActor.scala
index 37890b2..e24a029 100644
--- a/src/main/scala/com/fluency03/blockchain/api/actors/PeerActor.scala
+++ b/src/main/scala/com/fluency03/blockchain/api/actors/PeerActor.scala
@@ -18,7 +18,6 @@ class PeerActor extends ActorSupport {
   override def preStart(): Unit = log.info("{} started!", this.getClass.getSimpleName)
   override def postStop(): Unit = log.info("{} stopped!", this.getClass.getSimpleName)
 
-
   // TODO (Chang): need persistence
   val wallets = mutable.Map.empty[String, KeyPair]
   wallets += {
diff --git a/src/test/scala/com/fluency03/blockchain/api/actors/BlockchainActorTest.scala b/src/test/scala/com/fluency03/blockchain/api/actors/BlockchainActorTest.scala
index e10a5a0..7dacceb 100644
--- a/src/test/scala/com/fluency03/blockchain/api/actors/BlockchainActorTest.scala
+++ b/src/test/scala/com/fluency03/blockchain/api/actors/BlockchainActorTest.scala
@@ -10,7 +10,7 @@ import org.scalatest.{BeforeAndAfterAll, Matchers, WordSpecLike}
 import scala.concurrent.duration._
 
 class BlockchainActorTest extends TestKit(ActorSystem("BlockchainActorTest")) with DefaultTimeout with ImplicitSender
-  with WordSpecLike with Matchers with BeforeAndAfterAll  {
+  with WordSpecLike with Matchers with BeforeAndAfterAll {
 
   override def afterAll: Unit = {
     shutdown()
@@ -20,6 +20,8 @@ class BlockchainActorTest extends TestKit(ActorSystem("BlockchainActorTest")) wi
 
   "A BlockchainActor" should {
     "Respond with a Blockchain." in {
+      BlockchainActor.props shouldEqual Props[BlockchainActor]
+
       blockchainActor ! GetBlockchain
       expectMsg(None)
 
diff --git a/src/test/scala/com/fluency03/blockchain/api/actors/BlocksActorTest.scala b/src/test/scala/com/fluency03/blockchain/api/actors/BlocksActorTest.scala
index f3f4e55..958751c 100644
--- a/src/test/scala/com/fluency03/blockchain/api/actors/BlocksActorTest.scala
+++ b/src/test/scala/com/fluency03/blockchain/api/actors/BlocksActorTest.scala
@@ -18,6 +18,8 @@ class BlocksActorTest extends TestKit(ActorSystem("BlocksActorTest")) with Impli
 
   "A BlocksActor" should {
     "Respond with a Seq of Blocks." in {
+      BlocksActor.props shouldEqual Props[BlocksActor]
+
       blocksActor ! GetBlocks
       expectMsg(Seq.empty[Block])
 
diff --git a/src/test/scala/com/fluency03/blockchain/api/actors/NetworkActorTest.scala b/src/test/scala/com/fluency03/blockchain/api/actors/NetworkActorTest.scala
index 51250b1..fddb9ef 100644
--- a/src/test/scala/com/fluency03/blockchain/api/actors/NetworkActorTest.scala
+++ b/src/test/scala/com/fluency03/blockchain/api/actors/NetworkActorTest.scala
@@ -1,5 +1,21 @@
 package com.fluency03.blockchain.api.actors
 
-class NetworkActorTest {
+import akka.actor.{ActorRef, ActorSystem, Props}
+import akka.testkit.{ImplicitSender, TestKit}
+import org.scalatest.{BeforeAndAfterAll, Matchers, WordSpecLike}
+
+class NetworkActorTest extends TestKit(ActorSystem("NetworkActorTest")) with ImplicitSender
+  with WordSpecLike with Matchers with BeforeAndAfterAll {
+
+  override def afterAll: Unit = {
+    shutdown()
+  }
+
+  val networkActor: ActorRef = system.actorOf(Props[NetworkActor])
+
+
+
+
+
 
 }
diff --git a/src/test/scala/com/fluency03/blockchain/api/actors/PeerActorTest.scala b/src/test/scala/com/fluency03/blockchain/api/actors/PeerActorTest.scala
index 9f6850b..e176005 100644
--- a/src/test/scala/com/fluency03/blockchain/api/actors/PeerActorTest.scala
+++ b/src/test/scala/com/fluency03/blockchain/api/actors/PeerActorTest.scala
@@ -1,5 +1,30 @@
 package com.fluency03.blockchain.api.actors
 
-class PeerActorTest {
+import akka.actor.{ActorRef, ActorSystem, Props}
+import akka.testkit.{ImplicitSender, TestKit}
+import com.fluency03.blockchain.api.actors.PeerActor.GetPublicKeys
+import org.scalatest.{BeforeAndAfterAll, Matchers, WordSpecLike}
+
+class PeerActorTest extends TestKit(ActorSystem("PeerActorTest")) with ImplicitSender
+  with WordSpecLike with Matchers with BeforeAndAfterAll {
+
+  override def afterAll: Unit = {
+    shutdown()
+  }
+
+  val peerActor: ActorRef = system.actorOf(Props[PeerActor])
+
+  "A BlocksActor" should {
+    "Respond with a Seq of Blocks." in {
+      PeerActor.props shouldEqual Props[PeerActor]
+
+      peerActor ! GetPublicKeys
+      val publicKeys = expectMsgType[Set[String]]
+      publicKeys.size shouldEqual 1
+
+      peerActor ! "other"
+      expectNoMessage
+    }
+  }
 
 }
diff --git a/src/test/scala/com/fluency03/blockchain/api/actors/TransactionsActorTest.scala b/src/test/scala/com/fluency03/blockchain/api/actors/TransactionsActorTest.scala
index abe4430..5bc716d 100644
--- a/src/test/scala/com/fluency03/blockchain/api/actors/TransactionsActorTest.scala
+++ b/src/test/scala/com/fluency03/blockchain/api/actors/TransactionsActorTest.scala
@@ -10,7 +10,7 @@ import com.fluency03.blockchain.{genesisMiner, genesisTimestamp}
 import org.scalatest.{BeforeAndAfterAll, Matchers, WordSpecLike}
 
 class TransactionsActorTest extends TestKit(ActorSystem("TransactionsActorTest")) with ImplicitSender
-  with WordSpecLike with Matchers with BeforeAndAfterAll  {
+  with WordSpecLike with Matchers with BeforeAndAfterAll {
 
   override def afterAll: Unit = {
     shutdown()
@@ -20,6 +20,8 @@ class TransactionsActorTest extends TestKit(ActorSystem("TransactionsActorTest")
 
   "A TransactionsActor" should {
     "Respond with a Seq of Transactions." in {
+      TransactionsActor.props shouldEqual Props[TransactionsActor]
+
       transActor ! GetTransactions
       expectMsg(Seq.empty[Transaction])