Add a VTS test for Virtual A/B.

Bug: N/A
Test: vts_ota_config_test
Change-Id: Ibcee72dcbd9b8d157c3cc989d46fba6277115207
diff --git a/fs_mgr/libsnapshot/Android.bp b/fs_mgr/libsnapshot/Android.bp
index 8b269cd..6db8f13 100644
--- a/fs_mgr/libsnapshot/Android.bp
+++ b/fs_mgr/libsnapshot/Android.bp
@@ -275,6 +275,24 @@
     ],
 }
 
+cc_test {
+    name: "vts_ota_config_test",
+    srcs: [
+        "vts_ota_config_test.cpp",
+    ],
+    shared_libs: [
+        "libbase",
+    ],
+    test_suites: [
+        "vts",
+    ],
+    test_options: {
+        min_shipping_api_level: 33,
+    },
+    auto_gen_config: true,
+    require_root: true,
+}
+
 cc_binary {
     name: "snapshotctl",
     srcs: [
diff --git a/fs_mgr/libsnapshot/snapshot_test.cpp b/fs_mgr/libsnapshot/snapshot_test.cpp
index d76558b..04d228d 100644
--- a/fs_mgr/libsnapshot/snapshot_test.cpp
+++ b/fs_mgr/libsnapshot/snapshot_test.cpp
@@ -46,8 +46,6 @@
 #include "partition_cow_creator.h"
 #include "utility.h"
 
-#include <android-base/properties.h>
-
 // Mock classes are not used. Header included to ensure mocked class definition aligns with the
 // class itself.
 #include <libsnapshot/mock_device_info.h>
diff --git a/fs_mgr/libsnapshot/vts_ota_config_test.cpp b/fs_mgr/libsnapshot/vts_ota_config_test.cpp
new file mode 100644
index 0000000..afc2d81
--- /dev/null
+++ b/fs_mgr/libsnapshot/vts_ota_config_test.cpp
@@ -0,0 +1,23 @@
+//
+// Copyright (C) 2022 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+#include <android-base/properties.h>
+#include <gtest/gtest.h>
+
+TEST(VAB, Enabled) {
+    ASSERT_TRUE(android::base::GetBoolProperty("ro.virtual_ab.enabled", false));
+    ASSERT_TRUE(android::base::GetBoolProperty("ro.virtual_ab.userspace.snapshots.enabled", false));
+}