README: we need tcpdump
launch_tests: added dependences list
launch_tests: do not add preference_network
launch_tests: Network: enum: added TC

to catch when TC is needed
launch_tests: Detect TC in the list

+ skip if detected and if we don't control the WiFi router
launch_tests: prepare TC if we ctrl WiFi
launch_tests: control network on the devise
launch_tests: control the network on the router