attempt to make it work in CI

.github/workflows/build_and_test.yml

@@ -420,7 +420,7 @@ jobs:
     container:
       image: 369495373322.dkr.ecr.eu-central-1.amazonaws.com/build-tools:${{ needs.build-buildtools-image.outputs.build-tools-tag }}
       # Default shared memory is 64mb
-      options: --init --shm-size=512mb
+      options: --init --shm-size=512mb --cgroupns=private --privileged
     strategy:
       fail-fast: false
       matrix:
@@ -433,6 +433,9 @@ jobs:
           submodules: true
           fetch-depth: 1
 
+      - name: Setup cgroup for use by test suite
+        run: sudo mkdir /sys/fs/cgroup/neon_testsuite && sudo chown nonroot:nonroot /sys/fs/cgroup/neon_testsuite
+
       - name: Pytest regression tests
         uses: ./.github/actions/run-python-test-set
         with:
@@ -448,6 +451,7 @@ jobs:
           TEST_RESULT_CONNSTR: ${{ secrets.REGRESS_TEST_RESULT_CONNSTR_NEW }}
           CHECK_ONDISK_DATA_COMPATIBILITY: nonempty
           BUILD_TAG: ${{ needs.tag.outputs.build-tag }}
+          NEON_TEST_SUITE_USE_CGROUPS: /sys/fs/cgroup/neon_testsuite
 
       - name: Merge and upload coverage data
         if: matrix.build_type == 'debug' && matrix.pg_version == 'v14'