Update TEST_MAPPING am: f3497358e4 am: 91d5d64bf2

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/cesu8/+/2107512

Change-Id: Ief2c6c9f2e6197d1b142e9522036e909c4f818b2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/TEST_MAPPING b/TEST_MAPPING
index 2b4350c..71c6f0b 100644
--- a/TEST_MAPPING
+++ b/TEST_MAPPING
@@ -5,6 +5,11 @@
       "path": "external/rust/crates/jni"
     }
   ],
+  "postsubmit": [
+    {
+      "name": "cesu8_test_src_lib"
+    }
+  ],
   "presubmit": [
     {
       "name": "cesu8_test_src_lib"