tests: benchmarks: Test system off current for nrf54l with GRTC off

Measure system off current for the nr54l family
with GRTC disabled

Signed-off-by: Bartosz Miller <[email protected]>

Author: nordic-bami

tests/benchmarks/current_consumption/system_off/testcase.yaml

@@ -160,6 +160,25 @@ tests:
       pytest_root:
         - "${CUSTOM_ROOT_TEST_DIR}/test_measure_power_consumption.py::test_measure_and_data_dump_power_consumption_systemoff"
     timeout: 90
+  benchmarks.current_consumption.sample.boards.nrf.system_off.grtc_off:
+    platform_allow:
+      - nrf54l15dk/nrf54l05/cpuapp
+      - nrf54l15dk/nrf54l10/cpuapp
+      - nrf54l15dk/nrf54l15/cpuapp
+      - nrf54lm20dk/nrf54lm20a/cpuapp
+      - nrf54lv10dk/nrf54lv10a/cpuapp
+      - nrf54lv10dk/nrf54lv10a/cpuapp/ns
+    integration_platforms:
+      - nrf54l15dk/nrf54l15/cpuapp
+    extra_configs:
+      - CONFIG_SYS_CLOCK_DISABLE=y
+    tags: ppk_power_measure
+    harness: pytest
+    harness_config:
+      fixture: ppk_power_measure
+      pytest_root:
+        - "${CUSTOM_ROOT_TEST_DIR}/test_measure_power_consumption.py::test_measure_and_data_dump_power_consumption_systemoff"
+    timeout: 90
   benchmarks.current_consumption.sample.boards.nrf.system_off.retained_mem_4k:
     platform_allow:
       - nrf52840dk/nrf52840