test(wow-core): update LocalFirstCommandBusTest to verify message con…

…tent (#1107)

- Replace verifyTimeout with more specific message content verification
- Check if the received message ID and isVoid flag match the expected values
- Update test to cancel subscription after receiving the expected message

wow-core/src/test/kotlin/me/ahoo/wow/command/LocalFirstCommandBusTest.kt

@@ -60,7 +60,12 @@ class LocalFirstCommandBusTest : CommandBusSpec() {
                         .subscribe()
                 }
                 .test()
-                .verifyTimeout(Duration.ofMillis(100))
+                .consumeNextWith {
+                    assertThat(it.message.id, equalTo(message.id))
+                    assertThat(it.message.isVoid, equalTo(true))
+                }
+                .thenCancel()
+                .verify()
         }
     }
 }