Fixes #23, adds Tests action

.github/workflows/test.yaml

@@ -0,0 +1,25 @@
+name: Tests
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - name: Install golang
+        uses: actions/setup-go@v2
+        with:
+          go-version: '^1.13.1' # The Go version to download (if necessary) and use.
+
+      - name: Run tests
+        run: |
+          make test