diff --git a/TEST_MAPPING b/TEST_MAPPING
index d364321..8029a19 100644
--- a/TEST_MAPPING
+++ b/TEST_MAPPING
@@ -1,17 +1,18 @@
 // Generated by update_crate_tests.py for tests that depend on this crate.
 {
+  "imports": [
+    {
+      "path": "external/rust/crates/base64"
+    }
+  ],
   "presubmit": [
     {
       "name": "authfs_device_test_src_lib"
-    },
+    }
+  ],
+  "presubmit-rust": [
     {
-      "name": "base64_device_test_tests_decode"
-    },
-    {
-      "name": "base64_device_test_tests_encode"
-    },
-    {
-      "name": "base64_device_test_tests_helpers"
+      "name": "authfs_device_test_src_lib"
     }
   ]
 }