ci: switch to github workflow

.github/workflows/test.yml

@@ -0,0 +1,34 @@
+name: Python CI
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-18.04]
+        arch: [amd64, ppc64le]
+        python-version: ["3.5", "3.6", "3.7", "3.8", "3.9"]
+
+    steps:
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v2
+      with:
+        python-version: ${{ matrix.python-version }}
+        architecture: ${{ matrix.arch }}
+
+    - name: Check out repository
+      uses: actions/checkout@v2
+
+    - name: Upgrade pip and setuptools
+      run: |
+        python -m pip install --upgrade pip setuptools
+
+    - name: Install dependencies
+      run: |
+        pip install .
+
+    - name: Run tests
+      run: |
+        python test/test.py