cmake/tests: add DHTNET_TESTABLE

Change-Id: Id327a60cbd1afb57a35eedfcb73ff972acf6fb4b
diff --git a/src/multiplexed_socket.cpp b/src/multiplexed_socket.cpp
index 9c6d59d..97c9e1c 100644
--- a/src/multiplexed_socket.cpp
+++ b/src/multiplexed_socket.cpp
@@ -718,7 +718,7 @@
     return pimpl_->endpoint->peerCertificate();
 }
 
-#ifdef LIBJAMI_TESTABLE
+#ifdef DHTNET_TESTABLE
 bool
 MultiplexedSocket::canSendBeacon() const
 {
@@ -1038,7 +1038,7 @@
     pimpl_->cv.notify_all();
 }
 
-#ifdef LIBJAMI_TESTABLE
+#ifdef DHTNET_TESTABLE
 std::shared_ptr<MultiplexedSocket>
 ChannelSocket::underlyingSocket() const
 {