diff --git a/tests/drivers/uart/uart_mix_fifo_poll/testcase.yaml b/tests/drivers/uart/uart_mix_fifo_poll/testcase.yaml
index 7a0d66864f6..3114aaf0726 100644
--- a/tests/drivers/uart/uart_mix_fifo_poll/testcase.yaml
+++ b/tests/drivers/uart/uart_mix_fifo_poll/testcase.yaml
@@ -31,6 +31,20 @@ tests:
       - CONFIG_NRFX_TIMER2=y
       - CONFIG_UART_0_ENHANCED_POLL_OUT=n
 
+  drivers.uart.uart_mix_poll_async_api_low_power:
+    tags: drivers
+    platform_allow: nrf52840dk_nrf52840 nrf9160dk_nrf9160
+    extra_configs:
+      - CONFIG_UART_ASYNC_API=y
+      - CONFIG_UART_0_INTERRUPT_DRIVEN=n
+      - CONFIG_UART_0_ASYNC=y
+      - CONFIG_UART_0_NRF_HW_ASYNC=y
+      - CONFIG_UART_0_NRF_ASYNC_LOW_POWER=y
+      - CONFIG_UART_0_NRF_HW_ASYNC_TIMER=2
+      - CONFIG_NRFX_TIMER2=y
+      - CONFIG_UART_0_ENHANCED_POLL_OUT=n
+
+
   drivers.uart.uart_mix_poll_with_ppi:
     tags: drivers
     platform_allow: nrf52840dk_nrf52840 nrf9160dk_nrf9160
@@ -58,3 +72,16 @@ tests:
       - CONFIG_UART_0_NRF_HW_ASYNC_TIMER=2
       - CONFIG_NRFX_TIMER2=y
       - CONFIG_UART_0_ENHANCED_POLL_OUT=y
+
+  drivers.uart.uart_mix_poll_async_api_with_ppi_low_power:
+    tags: drivers
+    platform_allow: nrf52840dk_nrf52840 nrf9160dk_nrf9160
+    extra_configs:
+      - CONFIG_UART_ASYNC_API=y
+      - CONFIG_UART_0_INTERRUPT_DRIVEN=n
+      - CONFIG_UART_0_ASYNC=y
+      - CONFIG_UART_0_NRF_HW_ASYNC=y
+      - CONFIG_UART_0_NRF_ASYNC_LOW_POWER=y
+      - CONFIG_UART_0_NRF_HW_ASYNC_TIMER=2
+      - CONFIG_NRFX_TIMER2=y
+      - CONFIG_UART_0_ENHANCED_POLL_OUT=y