diff --git a/lib/test-server/test-server.js b/lib/test-server/test-server.js
index <HASH>..<HASH> 100644
--- a/lib/test-server/test-server.js
+++ b/lib/test-server/test-server.js
@@ -100,6 +100,7 @@ var slaveDisconnected = function (slave) {
     var testServer = this;
     arrayRemove(testServer.slaves, slave);
     arrayRemove(testServer.availableSlaves, slave);
+    testServer.logger.logInfo("Slave disconnected: " + slave.toString());
 };
 
 var slaveAvailable = function (slave) {
Adding a log message on the server when a slave is disconnected.

This way, logs are more consistent, showing both the connection and
disconnection of slaves.