Added trivial test case

code/test/test_packet_capturing.py

+import unittest
+from scapy.layers.inet import IP, TCP
+from unittest.mock import patch
+
+from src.packet_capturing import packet_handler
+
+
+class TestPacketCapturing(unittest.TestCase):
+    def test_baseCase(self):
+        # Create a dummy packet
+        packet = IP(src = "100.84.6.141", dst = "192.168.1.1") / TCP(dport = 80, sport = 12345, flags = "S")
+        # Show detailed information about the package
+        print(packet.show())
+
+        # Mockito checks if print was called
+        with patch('builtins.print') as mock_print:
+            packet_handler(packet)
+            mock_print.assert_called_with("Packet captured: 100.84.6.141 -> 192.168.1.1")
+
+
+if __name__ == '__main__':
+    unittest.main()