feat: add `set_vlan` only if UNI A vlan and UNI z vlan are different. #493

	name: Kytos' mef eline

	on:
	push:
	branches: [ master ]
	pull_request:
	branches: [ master ]

	workflow_dispatch:

	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: [3.9]

	steps:
	- uses: actions/checkout@v1
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install tox==3.27.1 tox-gh-actions==2.12.0
	- name: Test with tox
	run: tox

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