test: fwu: make changes to the FWU metadata access test

Make changes to the FWU metadata access tests corresponding to the
changes in the FWU metadata access code.

Signed-off-by: Sughosh Ganu <sughosh.ganu@linaro.org>
Tested-by: Michal Simek <michal.simek@amd.com>
diff --git a/test/dm/fwu_mdata.c b/test/dm/fwu_mdata.c
index 52018f6..621ba64 100644
--- a/test/dm/fwu_mdata.c
+++ b/test/dm/fwu_mdata.c
@@ -93,6 +93,10 @@
 	struct udevice *dev;
 	struct fwu_mdata mdata = { 0 };
 
+	ut_assertok(setup_blk_device(uts));
+	ut_assertok(populate_mmc_disk_image(uts));
+	ut_assertok(write_mmc_blk_device(uts));
+
 	/*
 	 * Trigger lib/fwu_updates/fwu.c fwu_boottime_checks()
 	 * to populate g_dev global pointer in that library.
@@ -100,9 +104,7 @@
 	event_notify_null(EVT_MAIN_LOOP);
 
 	ut_assertok(uclass_first_device_err(UCLASS_FWU_MDATA, &dev));
-	ut_assertok(setup_blk_device(uts));
-	ut_assertok(populate_mmc_disk_image(uts));
-	ut_assertok(write_mmc_blk_device(uts));
+	ut_assertok(fwu_init());
 
 	ut_assertok(fwu_get_mdata(&mdata));
 
@@ -118,18 +120,20 @@
 	struct udevice *dev;
 	struct fwu_mdata mdata = { 0 };
 
+	ut_assertok(setup_blk_device(uts));
+	ut_assertok(populate_mmc_disk_image(uts));
+	ut_assertok(write_mmc_blk_device(uts));
+
 	/*
 	 * Trigger lib/fwu_updates/fwu.c fwu_boottime_checks()
 	 * to populate g_dev global pointer in that library.
 	 */
 	event_notify_null(EVT_MAIN_LOOP);
 
-	ut_assertok(setup_blk_device(uts));
-	ut_assertok(populate_mmc_disk_image(uts));
-	ut_assertok(write_mmc_blk_device(uts));
 
 	ut_assertok(uclass_first_device_err(UCLASS_FWU_MDATA, &dev));
 
+	ut_assertok(fwu_init());
 	ut_assertok(fwu_get_mdata(&mdata));
 
 	active_idx = (mdata.active_index + 1) % CONFIG_FWU_NUM_BANKS;