diff --git a/rootdir/etc/TEST_MAPPING b/rootdir/etc/TEST_MAPPING
new file mode 100644
index 000000000..af2ec0f7f
--- /dev/null
+++ b/rootdir/etc/TEST_MAPPING
@@ -0,0 +1,7 @@
+{
+  "presubmit": [
+    {
+      "name": "bionic-unit-tests"
+    }
+  ]
+}