gate: post open/close msg via telegram

Signed-off-by: Thomas Klaehn <thomas.klaehn@u-blox.com>

tests/unittests/test_data_buffer.py

@@ -10,7 +10,6 @@ import gate_guard.data_buffer
 
 class Test(unittest.TestCase):
 
-
     def test_zero_space(self):
         dut = gate_guard.data_buffer.DataBuffer(0)
         result = dut.push(10)
@@ -26,5 +25,4 @@ class Test(unittest.TestCase):
                          str(buffer_size) + " res: " + str(result))
 
 if __name__ == "__main__":
-    #import sys;sys.argv = ['', 'Test.testName']
-    unittest.main()
+    unittest.main()