diff --git a/fs_mgr/TEST_MAPPING b/fs_mgr/TEST_MAPPING
index 2b5e337..b6710d5 100644
--- a/fs_mgr/TEST_MAPPING
+++ b/fs_mgr/TEST_MAPPING
@@ -22,6 +22,12 @@
       "name": "vts_libsnapshot_test"
     },
     {
+      "name": "vab_legacy_tests"
+    },
+    {
+      "name": "vabc_legacy_tests"
+    },
+    {
       "name": "libsnapshot_fuzzer_test"
     },
     {
@@ -37,6 +43,12 @@
     },
     {
       "name": "vts_libsnapshot_test"
+    },
+    {
+      "name": "vab_legacy_tests"
+    },
+    {
+      "name": "vabc_legacy_tests"
     }
   ]
 }
diff --git a/fs_mgr/libdm/dm_test.cpp b/fs_mgr/libdm/dm_test.cpp
index 4448d35..788cf51 100644
--- a/fs_mgr/libdm/dm_test.cpp
+++ b/fs_mgr/libdm/dm_test.cpp
@@ -19,6 +19,7 @@
 #include <stdio.h>
 #include <sys/ioctl.h>
 #include <sys/types.h>
+#include <sys/utsname.h>
 #include <time.h>
 #include <unistd.h>
 
@@ -692,7 +693,17 @@
 }
 
 TEST(libdm, UeventAfterLoadTable) {
-    static const char* kDeviceName = "libmd-test-uevent-load-table";
+    static const char* kDeviceName = "libdm-test-uevent-load-table";
+
+    struct utsname u;
+    ASSERT_EQ(uname(&u), 0);
+
+    unsigned int major, minor;
+    ASSERT_EQ(sscanf(u.release, "%u.%u", &major, &minor), 2);
+
+    if (major < 5 || (major == 5 && minor < 15)) {
+        GTEST_SKIP() << "Skipping test on kernel < 5.15";
+    }
 
     DeviceMapper& dm = DeviceMapper::Instance();
     ASSERT_TRUE(dm.CreateEmptyDevice(kDeviceName));
diff --git a/fs_mgr/libsnapshot/Android.bp b/fs_mgr/libsnapshot/Android.bp
index 2165961..c2f435f 100644
--- a/fs_mgr/libsnapshot/Android.bp
+++ b/fs_mgr/libsnapshot/Android.bp
@@ -269,14 +269,19 @@
     defaults: ["libsnapshot_test_defaults", "libsnapshot_hal_deps"],
 }
 
-sh_test {
-    name: "run_snapshot_tests",
-    src: "run_snapshot_tests.sh",
-    test_suites: [
-        "device-tests",
+cc_test {
+    name: "vab_legacy_tests",
+    defaults: ["libsnapshot_test_defaults", "libsnapshot_hal_deps"],
+    cppflags: [
+        "-DLIBSNAPSHOT_TEST_VAB_LEGACY",
     ],
-    required: [
-        "vts_libsnapshot_test",
+}
+
+cc_test {
+    name: "vabc_legacy_tests",
+    defaults: ["libsnapshot_test_defaults", "libsnapshot_hal_deps"],
+    cppflags: [
+        "-DLIBSNAPSHOT_TEST_VABC_LEGACY",
     ],
 }
 
diff --git a/fs_mgr/libsnapshot/run_snapshot_tests.sh b/fs_mgr/libsnapshot/run_snapshot_tests.sh
deleted file mode 100644
index b03a4e0..0000000
--- a/fs_mgr/libsnapshot/run_snapshot_tests.sh
+++ /dev/null
@@ -1,35 +0,0 @@
-#!/system/bin/sh
-
-# Detect host or AOSP.
-getprop ro.build.version.sdk > /dev/null 2>&1
-if [ $? -eq 0 ]; then
-    cmd_prefix=""
-    local_root=""
-else
-    cmd_prefix="adb shell"
-    local_root="${ANDROID_PRODUCT_OUT}"
-    set -e
-    set -x
-    adb root
-    adb sync data
-    set +x
-    set +e
-fi
-
-testpath64="/data/nativetest64/vts_libsnapshot_test/vts_libsnapshot_test"
-testpath32="/data/nativetest/vts_libsnapshot_test/vts_libsnapshot_test"
-if [ -f "${local_root}/${testpath64}" ]; then
-    testpath="${testpath64}"
-elif [ -f "${local_root}/${testpath32}" ]; then
-    testpath="${testpath32}"
-else
-    echo "ERROR: vts_libsnapshot_test not found." 1>&2
-    echo "Make sure to build vts_libsnapshot_test or snapshot_tests first." 1>&2
-    exit 1
-fi
-
-# Verbose, error on failure.
-set -x
-set -e
-
-time ${cmd_prefix} ${testpath}
diff --git a/fs_mgr/libsnapshot/snapshot_test.cpp b/fs_mgr/libsnapshot/snapshot_test.cpp
index 2c01cf6..4014380 100644
--- a/fs_mgr/libsnapshot/snapshot_test.cpp
+++ b/fs_mgr/libsnapshot/snapshot_test.cpp
@@ -53,7 +53,15 @@
 #include <libsnapshot/mock_device_info.h>
 #include <libsnapshot/mock_snapshot.h>
 
-DEFINE_string(force_mode, "",
+#if defined(LIBSNAPSHOT_TEST_VAB_LEGACY)
+#define DEFAULT_MODE "vab-legacy"
+#elif defined(LIBSNAPSHOT_TEST_VABC_LEGACY)
+#define DEFAULT_MODE "vabc-legacy"
+#else
+#define DEFAULT_MODE ""
+#endif
+
+DEFINE_string(force_mode, DEFAULT_MODE,
               "Force testing older modes (vab-legacy, vabc-legacy) ignoring device config.");
 DEFINE_string(force_iouring_disable, "",
               "Force testing mode (iouring_disabled) - disable io_uring");
diff --git a/rootdir/Android.mk b/rootdir/Android.mk
index fe23b62..3dd269a 100644
--- a/rootdir/Android.mk
+++ b/rootdir/Android.mk
@@ -213,4 +213,15 @@
 	$(hide) $(foreach lib,$(PRIVATE_SANITIZER_RUNTIME_LIBRARIES), \
 		echo $(lib) >> $@;)
 
+#######################################
+# ramdisk_node_list
+include $(CLEAR_VARS)
+
+LOCAL_MODULE := ramdisk_node_list
+LOCAL_MODULE_CLASS := ETC
+LOCAL_SRC_FILES := $(LOCAL_MODULE)
+LOCAL_MODULE_PATH := $(PRODUCT_OUT)
+
+include $(BUILD_PREBUILT)
+
 include $(call all-makefiles-under,$(LOCAL_PATH))
diff --git a/rootdir/ramdisk_node_list b/rootdir/ramdisk_node_list
new file mode 100644
index 0000000..d3ab8a6
--- /dev/null
+++ b/rootdir/ramdisk_node_list
@@ -0,0 +1,3 @@
+dir dev 0755 0 0
+nod dev/null 0600 0 0 c 1 3
+nod dev/console 0600 0 0 c 5 1