Use github actions for tests

.github/workflows/test.yml

@@ -0,0 +1,28 @@
+name: Test
+on:
+  push:
+    branches:
+    - master
+    - release/*
+  pull_request:
+    branches:
+    - master
+    - release/*
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+        python-version: [3.5, 3.6, 3.7, 3.8, pypy3]
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up Python
+        uses: actions/setup-python@v1
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install from source
+        run: python -m pip install --editable .[test,bcrypt]
+      - name: Run tests
+        run: python setup.py test