diff --git a/test/bmc_event_ack_v2.c b/test/bmc_event_ack_v2.c
index 3d4cffd..627309c 100644
--- a/test/bmc_event_ack_v2.c
+++ b/test/bmc_event_ack_v2.c
@@ -15,11 +15,18 @@
 
 #define FLAGS 0xc3
 
+static const uint8_t get_info[] = {
+	0x02, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+};
+
 static const uint8_t command[] = {
 	0x09, 0xaa, FLAGS, 0x00, 0x00, 0x00, 0x00, 0x00,
 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, FLAGS
 };
 
+uint8_t data[3] = { 0xaa, 0x55, 0xaa };
+
 #define MEM_SIZE	3
 #define ERASE_SIZE	1
 #define N_WINDOWS	1
@@ -36,6 +43,11 @@
 	system_set_mtd_sizes(MEM_SIZE, ERASE_SIZE);
 
 	ctx = mbox_create_test_context(N_WINDOWS, WINDOW_SIZE);
+	rc = mbox_set_mtd_data(ctx, data, sizeof(data));
+	assert(rc == 0);
+
+	rc = mbox_command_dispatch(ctx, get_info, sizeof(get_info));
+	assert(rc == 1);
 
 	set_bmc_events(ctx, FLAGS, SET_BMC_EVENT);
 
@@ -45,14 +57,12 @@
 	rc = fstat(ctx->fds[MBOX_FD].fd, &details);
 	assert(rc == 0);
 
-	assert(details.st_size == 16);
-
 	map = mmap(NULL, details.st_size, PROT_READ, MAP_PRIVATE,
 			ctx->fds[MBOX_FD].fd, 0);
 	assert(map != MAP_FAILED);
 
-	if (map[15] != 0xc0)
-		return -1;
+	assert(details.st_size >= 16);
+	assert(map[15] == 0xc0);
 
-	return rc;
+	return 0;
 }