diff --git a/test/dm/panel.c b/test/dm/panel.c
index ce835c9..ec85a9b 100644
--- a/test/dm/panel.c
+++ b/test/dm/panel.c
@@ -33,7 +33,7 @@
 	ut_assertok(sandbox_pwm_get_config(pwm, 0, &period_ns, &duty_ns,
 					   &enable, &polarity));
 	ut_asserteq(false, enable);
-	ut_asserteq(false, regulator_get_enable(reg));
+	ut_asserteq(true, regulator_get_enable(reg));
 
 	ut_assertok(panel_enable_backlight(dev));
 	ut_assertok(sandbox_pwm_get_config(pwm, 0, &period_ns, &duty_ns,
diff --git a/test/dm/regulator.c b/test/dm/regulator.c
index 532bbd8..449748a 100644
--- a/test/dm/regulator.c
+++ b/test/dm/regulator.c
@@ -186,7 +186,7 @@
 
 	/* Get BUCK1 - always on regulator */
 	platname = regulator_names[BUCK1][PLATNAME];
-	ut_assertok(regulator_autoset_by_name(platname, &dev_autoset));
+	ut_asserteq(-EALREADY, regulator_autoset_by_name(platname, &dev_autoset));
 	ut_assertok(regulator_get_by_platname(platname, &dev));
 
 	/* Try disabling always-on regulator */
@@ -288,7 +288,7 @@
 	 * Expected output state: uV=1200000; uA=200000; output enabled
 	 */
 	platname = regulator_names[BUCK1][PLATNAME];
-	ut_assertok(regulator_autoset_by_name(platname, &dev_autoset));
+	ut_asserteq(-EALREADY, regulator_autoset_by_name(platname, &dev_autoset));
 
 	/* Check, that the returned device is proper */
 	ut_assertok(regulator_get_by_platname(platname, &dev));