test(acpx-engine): fix stale counter count in permission observer test title

The test title said "three counters" but the assertion checks four
counters plus the type. An earlier design had three counters. A later
change added the fourth counter without updating the title.

Co-authored-by: Paperclip <noreply@paperclip.ing>

packages/adapter-utils/src/acpx-engine/permission-observer.test.ts

@@ -441,7 +441,7 @@ describe("createAcpPermissionObserver — per-run budgets", () => {
     expect(settled.length).toBe(256);
   });
 
-  it("emits a summary event with only the three counters and the type, using an exact key match", async () => {
+  it("emits a summary event with only the four counters and the type, using an exact key match", async () => {
     const events: PermissionObserverLogEvent[] = [];
     const observer = createAcpPermissionObserver({
       emitLog: (event) => events.push(event),