diff --git a/sim/ePowerSwitch8_sim.py b/sim/ePowerSwitch8_sim.py
index 52e8cc2..887c53d 100644
--- a/sim/ePowerSwitch8_sim.py
+++ b/sim/ePowerSwitch8_sim.py
@@ -31,19 +31,14 @@ def readAscii(connexion_client : socket):
         message += chunk.decode()
 
     if len(message) != 58 :
-        print(message)
         outlet_index = ord(message[22]) - ord('1')
-        print(outlet_state[outlet_index])
         match message[25]:
             case 'n':
                 outlet_state[outlet_index] = 'On'
-                print("powering on " + str(outlet_index))
             case 'f':
                 outlet_state[outlet_index] = 'Off'
-                print("powering off " + str(outlet_index))
             case 'e':
                 outlet_state[outlet_index] = 'Rst'
-                print("restarting " + str(outlet_index + 1))
                 outlet_restart_time[outlet_index] = random.randint(2,5)
     if len(message) == 58:
         time = datetime.datetime.now().strftime('%d %B %Y %H:%M:%S')
@@ -91,11 +86,14 @@ def turnOff():
     socket_listener.close()
 
 while(keepAlive):
-    connexion_client, address_client = socket_listener.accept()
-    socket_listener.settimeout(1)
-    readAscii(connexion_client)
-    updateSocketRestartTimer()
-    connexion_client.close()
+    connexion_client = 0
+    try:
+        connexion_client, address_client = socket_listener.accept()
+        socket_listener.settimeout(1)
+        readAscii(connexion_client)
+        updateSocketRestartTimer()
+    finally:
+        connexion_client.close()
 socket_listener.close()
 
 
diff --git a/st.cmd b/st.cmd
old mode 100644
new mode 100755
diff --git a/startioc.sh b/startioc.sh
index 032e5fb..2ed9c61 100755
--- a/startioc.sh
+++ b/startioc.sh
@@ -13,5 +13,8 @@ export EPOWERSWITCH_SOCKET_NUMBER=8
 export HOST_NAME="localhost"
 export HOST_PORT="55555"
 
-iocsh st.cmd
+echo "${PWD}/st.cmd"
+/usr/local/bin/procServ -L - -f -i ^D^C 20001 "${PWD}/st.cmd"
+
+
 
diff --git a/tests/caproto_wrapper.py b/tests/caproto_wrapper.py
new file mode 100644
index 0000000..05fed30
--- /dev/null
+++ b/tests/caproto_wrapper.py
@@ -0,0 +1,22 @@
+from caproto.sync.client import read, write
+from time import sleep
+
+class CaprotoWrapper:
+    def raw_read(pvname):
+        return read(pvname, timeout=5).data[0].decode('utf-8')
+
+    def get_pv_value(pvname, expected_value):
+        timeout = 10
+        while(expected_value != CaprotoWrapper.raw_read(pvname) and timeout > 0):
+            timeout -=1
+            sleep(0.5)
+        
+        return CaprotoWrapper.raw_read(pvname)
+
+    def set_pv_value(pvname, value):
+        write(pvname, value, notify=True)
+        timeout = 10
+        while(value != CaprotoWrapper.raw_read(pvname) and timeout > 0):
+            timeout -= 1
+            sleep(0.5)
+        
\ No newline at end of file
diff --git a/tests/test.py b/tests/test.py
new file mode 100644
index 0000000..6280928
--- /dev/null
+++ b/tests/test.py
@@ -0,0 +1,36 @@
+import subprocess
+import sys
+import signal
+
+from caproto_wrapper import CaprotoWrapper
+
+def is_ioc_running():
+    return "" != CaprotoWrapper.raw_read("ePowerSwitch_set_outlet_1")
+
+def start_iocshell():
+    res = subprocess.Popen(["./startioc.sh"])
+    while not is_ioc_running():
+        pass
+    return res
+
+def start_sim():
+    return subprocess.Popen(["python", "/home/ponsin_h/ePowerSwitchStreamDevice/sim/ePowerSwitch8_sim.py"])
+
+def start_pytest():
+    return subprocess.Popen(["pytest","tests"])
+
+sim_process = start_sim()
+iocsh_process = start_iocshell()
+pytest_process = start_pytest()    
+exit_code = 0
+
+try:
+
+    exit_code = pytest_process.wait()
+
+finally:
+    sim_process.send_signal(sig=signal.SIGTERM)
+    iocsh_process.send_signal(sig=signal.SIGTERM)
+    pytest_process.send_signal(sig=signal.SIGTERM)
+
+sys.exit(exit_code)
\ No newline at end of file
diff --git a/tests/test_main8.py b/tests/test_main8.py
index 761f9f2..857d778 100644
--- a/tests/test_main8.py
+++ b/tests/test_main8.py
@@ -1,30 +1,7 @@
-from caproto.threading.client import Context
-from caproto.sync.client import read, write
-
-from time import sleep
+from caproto_wrapper import CaprotoWrapper
 
 delay = 1
 
-class CaprotoWrapper:
-    def raw_read(pvname):
-        return read(pvname).data[0].decode('utf-8')
-
-    def get_pv_value(pvname, expected_value):
-        timeout = 10
-        while(expected_value != CaprotoWrapper.raw_read(pvname) and timeout > 0):
-            timeout -=1
-            sleep(0.5)
-        
-        return CaprotoWrapper.raw_read(pvname)
-
-    def set_pv_value(pvname, value):
-        write(pvname, value, notify=True)
-        timeout = 10
-        while(value != CaprotoWrapper.raw_read(pvname) and timeout > 0):
-            timeout -= 1
-            sleep(0.5)
-        
-
 def test_turn_on():
     CaprotoWrapper.set_pv_value("ePowerSwitch_set_outlet_1", "On")