diff --git a/make-mac.mk b/make-mac.mk
index c12c61f..f2604ee 100644
--- a/make-mac.mk
+++ b/make-mac.mk
@@ -142,7 +142,7 @@ TAP_FILES:=src/SocketTap.cpp \
SDK_OBJS+= SocketTap.o \
picoTCP.o \
libzt.o \
- Utilities.o
+ Utilities.o
PICO_OBJS+= ext/picotcp/build/lib/pico_device.o \
ext/picotcp/build/lib/pico_frame.o \
diff --git a/test/alice.sh b/test/alice.sh
new file mode 100755
index 0000000..fb232af
--- /dev/null
+++ b/test/alice.sh
@@ -0,0 +1,8 @@
+#!/bin/bash
+
+OSTYPE=$(uname -s | tr '[A-Z]' '[a-z]')
+
+./build/$OSTYPE/selftest test/alice.conf &
+echo $! >> "test/selftest.alice"
+./build/$OSTYPE/echotest test/alice.conf &
+echo $! >> "test/echotest.alice"
\ No newline at end of file
diff --git a/test/bob.sh b/test/bob.sh
new file mode 100755
index 0000000..76d6e03
--- /dev/null
+++ b/test/bob.sh
@@ -0,0 +1,8 @@
+#!/bin/bash
+
+OSTYPE=$(uname -s | tr '[A-Z]' '[a-z]')
+
+./build/$OSTYPE/selftest test/bob.conf &
+echo $! >> "test/selftest.bob"
+./build/$OSTYPE/echotest test/bob.conf &
+echo $! >> "test/selftest.bob"
\ No newline at end of file
diff --git a/test/echo.cpp b/test/echo.cpp
deleted file mode 100644
index 3c6a3bc..0000000
--- a/test/echo.cpp
+++ /dev/null
@@ -1,192 +0,0 @@
-/*
- * ZeroTier SDK - Network Virtualization Everywhere
- * Copyright (C) 2011-2017 ZeroTier, Inc. https://www.zerotier.com/
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see .
- *
- * --
- *
- * You can be released from the requirements of the license by purchasing
- * a commercial license. Buying such a license is mandatory as soon as you
- * develop commercial closed-source software that incorporates or links
- * directly against ZeroTier software without disclosing the source code
- * of your own application.
- */
-
- // Comprehensive stress test for socket-like API
-
-#include
-#include
-#include
-#include
-#include
-#include
-#include
-#include
-#include
-#include
-#include
-#include
-
-#include
-#include
-#include
-#include
-#include