working on test for lab01

Makefile

integration-tests/lab_tests/lab00/lab00_test.go

integration-tests/lab_tests/lab01/lab01_test.go

...s/lab_tests/utils/json_sources/Lab01/switch0/s0-eth1.json

...s/lab_tests/utils/json_sources/Lab01/switch0/s0-eth2.json

.../lab_tests/utils/json_sources/Lab01/switch0/s0-route.json

...s/lab_tests/utils/json_sources/Lab01/switch1/s1-eth1.json

...s/lab_tests/utils/json_sources/Lab01/switch1/s1-eth2.json

.../lab_tests/utils/json_sources/Lab01/switch1/s1-route.json

integration-tests/lab_tests/utils/labUtils.go