added firtst test

integration/README.md

@@ -0,0 +1,2 @@
+UsbSerial Integration Tests
+===========================

integration/validate_serial_tx.py

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+import serial
+import sys
+import os
+
+port = sys.argv[0] 
+size = sys.argv[1]
+speed = sys.argv[2]
+
+comm = serial.Serial()
+comm.
+
+data = os.urandom(size)
+
+
+
+