diff --git a/java/testing.go b/java/testing.go
index e746e2d..ecf0126 100644
--- a/java/testing.go
+++ b/java/testing.go
@@ -61,6 +61,7 @@
 		"prebuilts/sdk/29/public/android.jar":         nil,
 		"prebuilts/sdk/29/public/framework.aidl":      nil,
 		"prebuilts/sdk/29/system/android.jar":         nil,
+		"prebuilts/sdk/29/system/foo.jar":             nil,
 		"prebuilts/sdk/current/core/android.jar":      nil,
 		"prebuilts/sdk/current/public/android.jar":    nil,
 		"prebuilts/sdk/current/public/framework.aidl": nil,