diff --git a/apex/apex_test.go b/apex/apex_test.go
index befb814..c2cb200 100644
--- a/apex/apex_test.go
+++ b/apex/apex_test.go
@@ -233,6 +233,7 @@
 	ctx.RegisterModuleType("apex_set", apexSetFactory)
 
 	ctx.PreArchMutators(android.RegisterDefaultsPreArchMutators)
+	ctx.PreArchMutators(android.RegisterComponentsMutator)
 	ctx.PostDepsMutators(android.RegisterOverridePostDepsMutators)
 
 	cc.RegisterRequiredBuildComponentsForTest(ctx)