test: add Spark S3 integration regression for issue #8234 (#8249)

* test: add Spark S3 regression integration test for issue 8234

* Update test/s3/spark/setup_test.go

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

---------

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

.github/workflows/s3-spark-tests.yml

@@ -0,0 +1,80 @@
+name: "S3 Spark Integration Tests"
+
+on:
+  pull_request:
+    paths:
+      - 'weed/s3api/**'
+      - 'test/s3/spark/**'
+      - 'test/s3tables/testutil/**'
+      - '.github/workflows/s3-spark-tests.yml'
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.head_ref }}/s3-spark-tests
+  cancel-in-progress: true
+
+permissions:
+  contents: read
+
+jobs:
+  s3-spark-issue-repro-tests:
+    name: S3 Spark Issue Reproduction Tests
+    runs-on: ubuntu-22.04
+    timeout-minutes: 45
+
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v6
+
+      - name: Set up Go
+        uses: actions/setup-go@v6
+        with:
+          go-version-file: 'go.mod'
+        id: go
+
+      - name: Set up Docker
+        uses: docker/setup-buildx-action@v3
+
+      - name: Install SeaweedFS
+        run: |
+          go install -buildvcs=false ./weed
+
+      - name: Pre-pull Spark image
+        run: docker pull apache/spark:3.5.8
+
+      - name: Run S3 Spark integration tests
+        working-directory: test/s3/spark
+        timeout-minutes: 35
+        run: |
+          set -x
+          set -o pipefail
+          echo "=== System Information ==="
+          uname -a
+          free -h
+          df -h
+          echo "=== Starting S3 Spark Integration Tests ==="
+
+          go test -v -timeout 30m . 2>&1 | tee test-output.log || {
+            echo "S3 Spark integration tests failed"
+            exit 1
+          }
+
+      - name: Show test output on failure
+        if: failure()
+        working-directory: test/s3/spark
+        run: |
+          echo "=== Test Output ==="
+          if [ -f test-output.log ]; then
+            tail -200 test-output.log
+          fi
+
+          echo "=== Process information ==="
+          ps aux | grep -E "(weed|test|docker|spark)" || true
+
+      - name: Upload test logs on failure
+        if: failure()
+        uses: actions/upload-artifact@v6
+        with:
+          name: s3-spark-test-logs
+          path: test/s3/spark/test-output.log
+          retention-days: 3