tests: pm/device_runtime: Run in native_sim only

This is an API test and it was not designed to run in a real target.
Some attempts to run this test in devices cause the device to hang
after the test execution because the device sleeps and no wake up
source is set.

Fixes #68453

Signed-off-by: Flavio Ceolin <flavio.ceolin@intel.com>
diff --git a/tests/subsys/pm/device_runtime_api/testcase.yaml b/tests/subsys/pm/device_runtime_api/testcase.yaml
index d86f1ba..80ce7bd 100644
--- a/tests/subsys/pm/device_runtime_api/testcase.yaml
+++ b/tests/subsys/pm/device_runtime_api/testcase.yaml
@@ -1,11 +1,12 @@
+common:
+  tags: pm
+
 tests:
   pm.device_runtime.api:
-    tags: pm
-    integration_platforms:
-      - native_sim
+    platform_allow:
+    - native_sim
   pm.device_runtime.isr_safe.api:
-    tags: pm
-    integration_platforms:
-      - native_sim
+    platform_allow:
+    - native_sim
     extra_configs:
-      - CONFIG_TEST_PM_DEVICE_ISR_SAFE=y
+    - CONFIG_TEST_PM_DEVICE_ISR_SAFE=y