tests: subsys/pm: delete the empty test.

Delete the empty test.

Signed-off-by: Yinfang Wang <[email protected]>

tests/subsys/pm/power_mgmt/src/main.c

@@ -337,7 +337,7 @@ ZTEST(power_management_1cpu, test_power_state_trans)
  *
  * @details
  *  - device driver notify its power state change by pm_device_runtime_get and
- *    pm_device_runtime_put_asyncpm_notifier_register
+ *    pm_device_runtime_put_async
  *  - system inform device system power state change through device interface
  *    pm_action_cb
  *
@@ -441,12 +441,6 @@ static void *power_management_1cpu_setup(void)
 	return NULL;
 }
 
-ZTEST(power_management_1cpu, test_power)
-{
-
-
-}
-
 ZTEST_SUITE(power_management_1cpu, NULL, power_management_1cpu_setup,
 			ztest_simple_1cpu_before, ztest_simple_1cpu_after,
 			power_management_1cpu_teardown);