diff --git a/TEST_MAPPING b/TEST_MAPPING
index 69d4568..d8b294b 100644
--- a/TEST_MAPPING
+++ b/TEST_MAPPING
@@ -2,7 +2,11 @@
   "presubmit": [
     {
       "name": "MicrodroidHostTestCases"
+    },
+    {
+      "name": "ComposHostTestCases"
     }
+
   ],
   "postsubmit": [
     // TODO(jiyong): promote this to presubmit. That currently doesn't work because