End-to-end functional tests

End-to-end functional tests

- adapt ROADM configuration files of honeynode with ots-oms interfaces
and SRG3
- adapt XPDR configuration files of honeynode with addition of Network2
port for XPDRC and bug correction in config of XPDRA
- add a new functional test suite that check the whole TransportPCE
modules  (with basic checks of renderer, topology, pce and service
handler for 'service' and 'roadm-line' connection-type)
- adapt tox.ini consequently
- bugs corrections on the end-to-end test suite

NB: with current version of TransportPCE code, some tests may fail:
- test_15 with test_17 and test_18
- test_16
- test_22 with test_23 and test_24
- test_47

Change-Id: I725e9021f3a6e8da768218de60882079c4c9ef6e
JIRA: TRNSPRTPCE-54
Signed-off-by: Gilles Thouenon <gilles.thouenon@orange.com>
Co-authored-by: Christophe Betoule <christophe.betoule@orange.com>