Add test job on self-hosted runner

.github/workflows/th1520.yml

@@ -17,10 +17,11 @@ env:
   KBUILD_BUILD_HOST: ci-riscv-builder
   KDEB_COMPRESS: none
   KDEB_CHANGELOG_DIST: unstable
-  TH1520_IMAGE_BASE_URL: https://mirror.iscas.ac.cn/revyos/extra/images/lpi4amain
+  TH1520_IMAGE_BASE_URL: https://mirrors.sdust.edu.cn/revyos/extra/images/lpi4amain
   TH1520_IMAGE_DATE: 20240127
   TH1520_BOOT: boot-lpi4amain-20240127_105111.ext4.zst
   TH1520_ROOT: root-lpi4amain-20240127_105111.ext4.zst
+  TH1520_UBOOT: u-boot-with-spl-lpi4a-main.bin
 
 jobs:
   kernel:
@@ -138,9 +139,24 @@ jobs:
             zstd root-lpi4amain-ci-${TIMESTAMP}.ext4
 
       - name: 'Upload Artifact EMMC'
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           retention-days: 30
           name: th1520-${{ matrix.name }}
           path: |
                   *.ext4.zst
+
+  test:
+    runs-on: [self-hosted, th1520]
+    needs: [
+      kernel
+    ]
+    if: ${{ always() && !cancelled() && needs.kernel.result == 'success' }}
+    steps:
+      - name: 'Download artifact'
+        uses: actions/download-artifact@v4
+      - name: Download th1520 u-boot
+        run: |
+            wget ${TH1520_IMAGE_BASE_URL}/${TH1520_IMAGE_DATE}/${TH1520_UBOOT}
+      - name: 'List all downloaded files'
+        run: ls -R $GITHUB_WORKSPACE