Add spec revision to test deployments.

tests/benchmark/benchmark_artifacts_test.go

@@ -84,7 +84,7 @@ func BenchmarkListArtifacts(b *testing.B) {
 	// Try to speed up creation with a worker pool (this might not help much but seemed worth a try).
 	taskQueue, wait := tasks.WorkerPool(ctx, 5)
 	projectName := names.Project{ProjectID: projectID}
-	total := 100
+	total := 1000
 	step := 5
 	for i := 0; i < total; i += step {
 		taskQueue <- &seedArtifactsTask{
@@ -188,6 +188,7 @@ func createApiDeploymentRevisions(b *testing.B, ctx context.Context, client conn
 				DisplayName: deployment.DeploymentID,
 				Description: fmt.Sprintf("Description for %s", deployment.DeploymentID),
 				EndpointUri: fmt.Sprintf("https://r%d.example.com", r),
+				SpecRevision: fmt.Sprintf(deployment.Project() + "/apis/a/versions/v/specs/s@%d", r)
 			},
 			AllowMissing: true,
 		})