diff --git a/tests/kernel/mem_protect/mem_protect/testcase.yaml b/tests/kernel/mem_protect/mem_protect/testcase.yaml
index 36e8e2e5f68..d6b4375897e 100644
--- a/tests/kernel/mem_protect/mem_protect/testcase.yaml
+++ b/tests/kernel/mem_protect/mem_protect/testcase.yaml
@@ -4,3 +4,9 @@ tests:
     filter: CONFIG_ARCH_HAS_USERSPACE
     platform_exclude: twr_ke18f
     tags: kernel security userspace ignore_faults
+  kernel.memory_protection.armv8m_gap_filling:
+    arch_whitelist: arm
+    filter: CONFIG_ARCH_HAS_USERSPACE and CONFIG_MPU_REQUIRES_NON_OVERLAPPING_REGIONS
+    extra_args: CONFIG_MPU_GAP_FILLING=y
+    min_ram: 32
+    tags: kernel security userspace ignore_faults
diff --git a/tests/kernel/mem_protect/userspace/testcase.yaml b/tests/kernel/mem_protect/userspace/testcase.yaml
index f907b014253..9d01b40cd4d 100644
--- a/tests/kernel/mem_protect/userspace/testcase.yaml
+++ b/tests/kernel/mem_protect/userspace/testcase.yaml
@@ -3,3 +3,9 @@ tests:
     filter: CONFIG_ARCH_HAS_USERSPACE
     tags: kernel security userspace ignore_faults
     min_ram: 36
+  kernel.memory_protection.userspace.armv8m_gap_filling:
+    arch_whitelist: arm
+    filter: CONFIG_ARCH_HAS_USERSPACE and CONFIG_MPU_REQUIRES_NON_OVERLAPPING_REGIONS
+    extra_args: CONFIG_MPU_GAP_FILLING=y
+    tags: kernel security userspace ignore_faults
+    min_ram: 36