[actions] add e2e tests to CI pipeline

Author: capcom6

.github/workflows/go.yml

@@ -67,3 +67,30 @@ jobs:
       #   uses: codecov/codecov-action@v4
       #   with:
       #     token: ${{ secrets.CODECOV_TOKEN }}
+
+  e2e-test:
+    name: E2E Test
+    runs-on: ubuntu-latest
+    needs: test
+    steps:
+      # step 1: checkout repository code
+      - name: Checkout code into workspace directory
+        uses: actions/checkout@v4
+
+      # step 2: set up go
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: stable
+
+      # step 3: install main project dependencies
+      - name: Install main Go dependencies
+        run: go mod download
+
+      # step 4: install e2e test dependencies
+      - name: Install E2E test dependencies
+        run: cd tests/e2e && go mod download
+
+      # step 5: run e2e tests with verbose output
+      - name: Run E2E tests
+        run: cd tests/e2e && go test -v ./...