ci: separate unit test jobs so they can run in parallel

.github/workflows/reusable-lightweight.yml

@@ -2,14 +2,6 @@ name: lightweight-check
 
 on:
   workflow_call:
-    inputs:
-      marker:
-        required: false
-        description: 'Parallel run marker'
-        type: string
-        default: >-
-          [""]
-
     secrets:
       SA_GH_USER_NAME:
         description: GPG signature username
@@ -159,16 +151,16 @@ jobs:
         # uses: ./.github/actions/test-inventory
         uses: splunk/addonfactory-workflow-addon-release/.github/actions/test-inventory@ci/lightweight-workflow-ADDON-66448
 
-  run-unit-tests:
+  # Two separate unit test jobs needed as jobs that depend on unit-test success can't proceed
+  # if any matrix job fails. Currently python 3.9 always fails as it's not supported.
+  # TODO: group these jobs into the matrix once python 3.9 is supported
+
+  run-unit-tests-3_7:
     name: Unit tests
     if: ${{ needs.test-inventory.outputs.unit == 'true' }}
     runs-on: ubuntu-latest
-    continue-on-error: true
     needs:
       - test-inventory
-    outputs:
-      result-3_7: ${{ steps.unit-tests-3_7.outcome }}
-      result-3_9: ${{ steps.unit-tests-3_9.outcome }}
     permissions: 
       actions: read
       deployments: read
@@ -183,17 +175,29 @@ jobs:
         uses: splunk/addonfactory-workflow-addon-release/.github/actions/unit-tests@ci/lightweight-workflow-ADDON-66448
         with:
           python_version: '3.7'
+
+  run-unit-tests-3_9:
+    name: Unit tests
+    if: ${{ needs.test-inventory.outputs.unit == 'true' }}
+    runs-on: ubuntu-latest
+    continue-on-error: true
+    needs:
+      - test-inventory
+    permissions: 
+      actions: read
+      deployments: read
+      contents: read
+      packages: read
+      statuses: read
+      checks: write
+    steps:
       - name: Run unit tests for python 3.9
         id: unit-tests-3_9
         # uses: ./.github/actions/unit-tests
         uses: splunk/addonfactory-workflow-addon-release/.github/actions/unit-tests@ci/lightweight-workflow-ADDON-66448
         with:
           python_version: '3.9'
 
-  # Two separate unit test steps needed as jobs that depend on unit-test success can't proceed
-  # if any matrix job fails. Currently python 3.9 always fails as it's not supported.
-  # TODO: group these jobs into the matrix once python 3.9 is supported
-
   build:
     name: Build python-${{ matrix.python-version }}
     runs-on: ubuntu-latest
@@ -204,14 +208,14 @@ jobs:
       - lint
       - review-secrets
       - semgrep
-      - run-unit-tests
+      - run-unit-tests-3_7
     strategy:
       fail-fast: false
       matrix:
         python-version:
           - "3.7"
           - "3.9"
-    if: ${{ !cancelled() && (needs.run-unit-tests.outputs.result-3_7 == 'success' || needs.run-unit-tests.result == 'skipped') }}
+    if: ${{ !cancelled() && (needs.run-unit-tests-3_7.result == 'success' || needs.run-unit-tests-3_7.result == 'skipped') }}
     permissions:
       contents: write
       packages: read