diff --git a/aidl_library/aidl_library.go b/aidl_library/aidl_library.go
index 9b5f0a8..8a84e6b 100644
--- a/aidl_library/aidl_library.go
+++ b/aidl_library/aidl_library.go
@@ -22,6 +22,10 @@
 	"github.com/google/blueprint/proptools"
 )
 
+var PrepareForTestWithAidlLibrary = android.FixtureRegisterWithContext(func(ctx android.RegistrationContext) {
+	registerAidlLibraryBuildComponents(ctx)
+})
+
 func init() {
 	registerAidlLibraryBuildComponents(android.InitRegistrationContext)
 }
diff --git a/aidl_library/aidl_library_test.go b/aidl_library/aidl_library_test.go
index 42fa536..d9b410a 100644
--- a/aidl_library/aidl_library_test.go
+++ b/aidl_library/aidl_library_test.go
@@ -19,10 +19,6 @@
 	"testing"
 )
 
-var PrepareForTestWithAidlLibrary = android.FixtureRegisterWithContext(func(ctx android.RegistrationContext) {
-	registerAidlLibraryBuildComponents(ctx)
-})
-
 func TestAidlLibrary(t *testing.T) {
 	t.Parallel()
 	ctx := android.GroupFixturePreparers(