diff --git a/packages/WallpaperBackup/Android.bp b/packages/WallpaperBackup/Android.bp
index d142f25..8acc508 100644
--- a/packages/WallpaperBackup/Android.bp
+++ b/packages/WallpaperBackup/Android.bp
@@ -42,7 +42,7 @@
     srcs: [
         // Include the app source code because the app runs as the system user on-device.
         "src/**/*.java",
-        "test/src/**/*.java"
+        "test/src/**/*.java",
     ],
     libs: [
         "android.test.base",
@@ -54,7 +54,8 @@
         "mockito-target-minus-junit4",
         "truth-prebuilt",
     ],
+    resource_dirs: ["test/res"],
     certificate: "platform",
     platform_apis: true,
-    test_suites: ["device-tests"]
+    test_suites: ["device-tests"],
 }