diff --git a/apex/apex.go b/apex/apex.go
index baf4737..69547c3 100644
--- a/apex/apex.go
+++ b/apex/apex.go
@@ -3811,3 +3811,7 @@
 func invalidCompileMultilib(ctx android.TopDownMutatorContext, value string) {
 	ctx.PropertyErrorf("compile_multilib", "Invalid value: %s", value)
 }
+
+func (a *apexBundle) IsTestApex() bool {
+	return a.testApex
+}