test: make orchestration completion version explicit

internal/integration/end_to_end_test.go

@@ -94,6 +94,7 @@ func ingest(t *testing.T, s *store.Store, external string) domain.Task {
 }
 
 func TestEndToEndIngestRouteLeaseRotateAndComplete(t *testing.T) {
+	// The completion version is intentionally read after pickup to model the event stream.
 	s, r, _ := setup(t)
 	task := ingest(t, s, "one")
 	h := &harness{occupancy: .95, boundary: true}