Migrate from Travis-CI and add .github/workflows/test.yml

Author: da-x

.github/workflows/ci.yml

@@ -0,0 +1,9 @@
+on: push
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Run tests
+        run: cd test && ./run-tests
+        shell: bash