Rename ultrasonic_server_test.py to test/ultrasonic_server_test.py

test/ultrasonic_server_test.py

@@ -32,4 +32,4 @@ class SensorStreamingTest(object):
             self.server_socket.close()
 
 if __name__ == '__main__':
-    SensorStreamingTest()
+    SensorStreamingTest()