diff --git a/src/packetserver/common/__init__.py b/src/packetserver/common/__init__.py
index 98aede6..0350575 100644
--- a/src/packetserver/common/__init__.py
+++ b/src/packetserver/common/__init__.py
@@ -82,23 +82,6 @@ class PacketServerConnection(Connection):
     def query_accept(cls, port, call_from, call_to):
         return True
 
-
-class DummyPacketServerConnection(PacketServerConnection):
-
-    def __init__(self, call_from: str, call_to: str, incoming=False):
-        super().__init__(0, call_from, call_to, incoming=incoming)
-        self.sent_data = Unpacker()
-        self._state = ConnectionState.CONNECTED
-
-    @property
-    def state(self):
-        return self._state
-        
-    def send_data(self, data: Union[bytes, bytearray]):
-        self.sent_data.feed(data)
-        logging.debug(f"Sender added {data} to self.sent_data.feed")
-
-
 class Message:
     """Base class for communication encapsulated in msgpack objects."""
 
diff --git a/src/packetserver/common/testing.py b/src/packetserver/common/testing.py
new file mode 100644
index 0000000..cfa9618
--- /dev/null
+++ b/src/packetserver/common/testing.py
@@ -0,0 +1,21 @@
+from . import PacketServerConnection
+from msgpack import Unpacker
+from msgpack import packb, unpackb
+from pe.connect import Connection, ConnectionState
+import logging
+from typing import Union
+
+class DummyPacketServerConnection(PacketServerConnection):
+
+    def __init__(self, call_from: str, call_to: str, incoming=False):
+        super().__init__(0, call_from, call_to, incoming=incoming)
+        self.sent_data = Unpacker()
+        self._state = ConnectionState.CONNECTED
+
+    @property
+    def state(self):
+        return self._state
+
+    def send_data(self, data: Union[bytes, bytearray]):
+        self.sent_data.feed(data)
+        logging.debug(f"Sender added {data} to self.sent_data.feed")
\ No newline at end of file