diff --git a/dashboard/tests/e2e/fixtures/cleanup.ts b/dashboard/tests/e2e/fixtures/cleanup.ts
index 98bc1f7..3bca206 100644
--- a/dashboard/tests/e2e/fixtures/cleanup.ts
+++ b/dashboard/tests/e2e/fixtures/cleanup.ts
@@ -32,7 +32,10 @@ export class CleanupRegistry {
 		if (this.items.length === 0) return;
 		const api = await adminApi();
 		try {
-			for (const item of this.items.reverse()) {
+			// Copy-then-reverse so a defensive double-`run()` (or a
+			// caller that inspects the registry after a partial
+			// teardown) doesn't see the items in a re-reversed order.
+			for (const item of [...this.items].reverse()) {
 				try {
 					await item(api);
 				} catch {