Run linter, unit tests, and integration workflows in parallel. (#410)

.github/workflows/build_tests.yaml

@@ -122,24 +122,24 @@ jobs:
     with:
       run-id: '${{needs.set-variables.outputs.run-id}}'
   run-unit-tests:
+    needs: [install-dependencies, set-variables]
     uses: ./.github/workflows/unit_tests.yaml
     with:
       run-id: ${{needs.set-variables.outputs.run-id}}
     concurrency: # We support one build or nightly test to run at a time currently.
       group: unit-tests-${{needs.set-variables.outputs.run-id}}
       cancel-in-progress: true
-    needs: [linter, set-variables]
   run-integration-tests:
+    needs: [install-dependencies, set-variables]
     uses: ./.github/workflows/integration_tests.yaml
     with:
       run-id: '${{needs.set-variables.outputs.run-id}}'
     concurrency: # We support one build or nightly test to run at a time currently.
       group: integration-tests-${{needs.set-variables.outputs.run-id}}
       cancel-in-progress: true
     secrets: inherit
-    needs: [run-unit-tests, set-variables]
   cluster-private:
-    needs: [run-integration-tests, set-variables]
+    needs: [linter, run-unit-tests, run-integration-tests, set-variables]
     uses: ./.github/workflows/cluster_private.yaml
     concurrency: # We support one build or nightly test to run at a time currently.
       group: cluster-private-${{needs.set-variables.outputs.run-id}}
@@ -152,7 +152,7 @@ jobs:
       location: '${{needs.set-variables.outputs.location}}'
     secrets: inherit
   cluster-create:
-    needs: [run-integration-tests, set-variables]
+    needs: [linter, run-unit-tests, run-integration-tests, set-variables]
     concurrency: # We support one build or nightly test to run at a time currently.
       group: cluster-create-${{needs.set-variables.outputs.run-id}}
       cancel-in-progress: true