diff --git a/tests/cmake/config_dir/testcase.yaml b/tests/cmake/config_dir/testcase.yaml
index 16105025664..d88fe6f76e8 100644
--- a/tests/cmake/config_dir/testcase.yaml
+++ b/tests/cmake/config_dir/testcase.yaml
@@ -1,5 +1,5 @@
 tests:
   buildsystem.config_dir.user_defined:
-    platform_allow: native_posix
+    platform_allow: native_sim
     build_only: true
     extra_args: APPLICATION_CONFIG_DIR:PATH=foo
diff --git a/tests/cmake/overlays/var_expansions/testcase.yaml b/tests/cmake/overlays/var_expansions/testcase.yaml
index 1149a7f7c28..919e75f7739 100644
--- a/tests/cmake/overlays/var_expansions/testcase.yaml
+++ b/tests/cmake/overlays/var_expansions/testcase.yaml
@@ -1,7 +1,7 @@
 common:
   tags: cmake
   build_only: true
-  platform_allow: native_posix
+  platform_allow: native_sim
 tests:
   buildsystem.overlays.var_expansions.CONF_FILE:
     extra_conf_files:
diff --git a/tests/cmake/snippets/testcase.yaml b/tests/cmake/snippets/testcase.yaml
index c8dad26a94f..f584ca3a0fc 100644
--- a/tests/cmake/snippets/testcase.yaml
+++ b/tests/cmake/snippets/testcase.yaml
@@ -2,11 +2,12 @@ common:
   tags: snippets
   platform_allow:
   - native_posix
+  - native_sim
   - qemu_x86
   - qemu_x86_64
   - qemu_cortex_m3
   integration_platforms:
-  - native_posix
+  - native_sim
 
 tests:
   # Test the initial state with no snippets applied
diff --git a/tests/cmake/zephyr_get/testcase.yaml b/tests/cmake/zephyr_get/testcase.yaml
index 5159efb093c..02b8a7fc17f 100644
--- a/tests/cmake/zephyr_get/testcase.yaml
+++ b/tests/cmake/zephyr_get/testcase.yaml
@@ -1,7 +1,7 @@
 common:
   tags: cmake
   build_only: true
-  platform_allow: native_posix
+  platform_allow: native_sim
 tests:
   buildsystem.extensions.zephyr_get.no_sysbuild:
     sysbuild: false