Update TEST_MAPPING

Test: None

Bug: 233924440
Change-Id: Ifb11f11431d16279daf2a6cd065b34ae89ce39b8
diff --git a/TEST_MAPPING b/TEST_MAPPING
index 96a0732..905bae8 100644
--- a/TEST_MAPPING
+++ b/TEST_MAPPING
@@ -5,6 +5,17 @@
       "path": "external/rust/crates/libsqlite3-sys"
     }
   ],
+  "postsubmit": [
+    {
+      "name": "keystore2_legacy_blobs_test"
+    },
+    {
+      "name": "keystore2_test"
+    },
+    {
+      "name": "legacykeystore_test"
+    }
+  ],
   "presubmit": [
     {
       "name": "keystore2_legacy_blobs_test"