github: add test workflow

Add a new test workflow to run tests for scripts and to run code linter.

Signed-off-by: Gerard Marull-Paretas <gerard@teslabs.com>

.github/workflows/test.yml

@@ -0,0 +1,37 @@
+name: Test
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: [3.6, 3.7, 3.8]
+    steps:
+      - uses: actions/checkout@v1
+      - name: Set up Python
+        uses: actions/setup-python@v1
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: install dependencies
+        run: |
+          pip3 install -r scripts/requirements.txt
+          pip3 install -r scripts/requirements-test.txt
+          pip3 install -r scripts/requirements-dev.txt
+      - name: lint scripts
+        run: flake8 --config scripts/.flake8 scripts
+      - name: run script tests
+        run: |
+          pytest scripts/tests \
+            --cov=scripts \
+            --cov-config scripts/.coveragerc \
+            --cov-report term \
+            --cov-report html \
+            -vv
+      - name: store coverage report 
+        uses: actions/upload-artifact@v2
+        with:
+          name: coverage
+          path: htmlcov