[CI]: Add CI For HiMambaRadixTree and qwen3.5 (#20540)

Co-authored-by: ispobock <ispobaoke@gmail.com>

.github/workflows/pr-test.yml

@@ -1666,7 +1666,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        part: [0, 1, 2]
+        part: [0, 1, 2, 3]
 
     steps:
       - name: Checkout code
@@ -1695,7 +1695,7 @@ jobs:
           if [[ "${{ needs.check-changes.outputs.continue_on_error }}" == "true" ]]; then
             CONTINUE_ON_ERROR_FLAG="--continue-on-error"
           fi
-          IS_BLACKWELL=1 python3 run_suite.py --hw cuda --suite stage-c-test-4-gpu-b200 --auto-partition-id ${{ matrix.part }} --auto-partition-size 3 --timeout-per-file 1800 $CONTINUE_ON_ERROR_FLAG
+          IS_BLACKWELL=1 python3 run_suite.py --hw cuda --suite stage-c-test-4-gpu-b200 --auto-partition-id ${{ matrix.part }} --auto-partition-size 4 --timeout-per-file 1800 $CONTINUE_ON_ERROR_FLAG
 
       - uses: ./.github/actions/upload-cuda-coredumps
         if: always()