fix events util behaviour

Author: adrien2p

packages/medusa-test-utils/src/__tests__/events.spec.ts

@@ -39,7 +39,8 @@ describe("waitSubscribersExecution", () => {
 
       jest.advanceTimersByTime(100)
 
-      await expect(waitPromise).resolves.toEqual([["test-data"]])
+      const res = await waitPromise
+      expect(res).toEqual(["test-data"])
     })
 
     it("should reject when timeout is reached before event is fired", async () => {

packages/medusa-test-utils/src/events.ts

@@ -69,8 +69,11 @@ const doWaitSubscribersExecution = (
 
       if (currentCount >= triggerCount) {
         eventEmitter.removeListener(eventName, newListener)
-        const res_ = triggerCount === 1 ? res[0] : res
-        ok(res_)
+        if (triggerCount === 1) {
+          ok(...args)
+        } else {
+          ok(res)
+        }
       }
     }