Add ci tests

Author: pgundlach

.github/workflows/test.yml

@@ -0,0 +1,32 @@
+name: Tests
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        go-version: ["1.22", "1.23", "1.24"]
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: ${{ matrix.go-version }}
+
+      - name: Run tests
+        run: go test -race -coverprofile=coverage.txt ./...
+
+      - name: Upload coverage
+        if: matrix.go-version == '1.24'
+        uses: codecov/codecov-action@v4
+        with:
+          files: coverage.txt
+        env:
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}