fix: update upload artifact workload to have unique ids

.github/workflows/reusable-unit-split.yml

@@ -86,6 +86,13 @@ jobs:
  ulimit -Sa
  echo "Hard limits"
  ulimit -Ha 
+ # upload-artifact requires a unique ID per run. In this case we use a random string rather than trying to do trickery 
+ # with the package matric
+ - id: generate-matrix-id
+ run: |
+ MATRIX_RUN_ID=$(head /dev/urandom | tr -dc A-Z | head -c8)
+ echo "The matrix run ID is $MATRIX_RUN_ID"
+ echo "matrix-run-id=$MATRIX_RUN_ID" >> "$GITHUB_OUTPUT"
  - uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4.1.4
  # NOTE: This step is specifically needed for ENT. It allows us to access the required private HashiCorp repos.
  - name: Setup Git
@@ -167,12 +174,12 @@ jobs:
  - uses: actions/upload-artifact@65462800fd760344b1a7b4382951275a0abb4808 # v4.3.3
  if: ${{ !cancelled() }}
  with:
- name: test-results
+ name: ${{ steps.generate-matrix-id.outputs.matrix-run-id }}-test-results
  path: ${{env.TEST_RESULTS}}
  - uses: actions/upload-artifact@65462800fd760344b1a7b4382951275a0abb4808 # v4.3.3
  if: ${{ !cancelled() }}
  with:
- name: jsonfile
+ name: ${{ steps.generate-matrix-id.outputs.matrix-run-id }}-jsonfile
  path: /tmp/jsonfile
  - name: "Re-run fails report"
  if: ${{ !cancelled() }}