diff --git a/cc/testing.go b/cc/testing.go
index 6b858d5..40edd28 100644
--- a/cc/testing.go
+++ b/cc/testing.go
@@ -20,6 +20,7 @@
 
 	"android/soong/android"
 	"android/soong/genrule"
+	"android/soong/multitree"
 	"android/soong/snapshot"
 )
 
@@ -31,6 +32,8 @@
 	RegisterLibraryHeadersBuildComponents(ctx)
 	RegisterLibraryStubBuildComponents(ctx)
 
+	multitree.RegisterApiImportsModule(ctx)
+
 	ctx.RegisterModuleType("cc_benchmark", BenchmarkFactory)
 	ctx.RegisterModuleType("cc_object", ObjectFactory)
 	ctx.RegisterModuleType("cc_genrule", GenRuleFactory)