timer: fix unit test regression

components/driver/timer.c

@@ -288,8 +288,7 @@ esp_err_t timer_init(timer_group_t group_num, timer_idx_t timer_num, const timer
     timer_hal_set_divider(&(p_timer_obj[group_num][timer_num]->hal), config->divider);
     timer_hal_set_counter_increase(&(p_timer_obj[group_num][timer_num]->hal), config->counter_dir);
     timer_hal_set_alarm_enable(&(p_timer_obj[group_num][timer_num]->hal), config->alarm_en);
-    // Disable level interrupt by default
-    timer_hal_set_level_int_enable(&(p_timer_obj[group_num][timer_num]->hal), false);
+    timer_hal_set_level_int_enable(&(p_timer_obj[group_num][timer_num]->hal), config->intr_type == TIMER_INTR_LEVEL);
     if (config->intr_type != TIMER_INTR_LEVEL) {
         ESP_LOGW(TIMER_TAG, "only support Level Interrupt, switch to Level Interrupt instead");
     }