Use self hosted runner for resgroup test (#192)

* Use self hosted runner

* Add clean ../gpdb-devops folder before move

* Add cleanup work folder for test

Author: robozmey

.github/workflows/build-gpdb.yml

@@ -110,7 +110,7 @@ jobs:
               {"test":"ic-resgroup",
                "make_configs":["src/test/isolation2:installcheck-resgroup"],
                "enable_cgroups":true,
-               "runs_on":"ubuntu-20.04"
+               "runs_on":"self-hosted"
               },
               {"test":"ic-contrib",
                "install_target":true,
@@ -714,6 +714,13 @@ jobs:
         run: |
           echo "Timestamp from output: ${{ needs.build.outputs.build_timestamp }}"
 
+      - name: Cleanup build folder
+        run: |
+          ls -la ./
+          rm -rf ./* || true
+          rm -rf ./.??* || true
+          ls -la ./
+
       - name: Checkout CI Build/Test Scripts
         uses: actions/checkout@v4
         with:
@@ -725,6 +732,9 @@ jobs:
       - name: Move gpdb-devops directory
         run: |
           set -ex pipefail
+
+          rm -rf "${GITHUB_WORKSPACE}"/../gpdb-devops
+
           if ! mv "${GITHUB_WORKSPACE}"/gpdb-devops "${GITHUB_WORKSPACE}"/..; then
             echo "::error::Container initialization failed"
             exit 1