diff --git a/internal/resource/pki_test.go b/internal/resource/pki_test.go
index 8bd77a0..de1e3da 100644
--- a/internal/resource/pki_test.go
+++ b/internal/resource/pki_test.go
@@ -48,7 +48,7 @@ func (s StringContentReadWriter) ContentReaderStream() (*transport.Reader, error
 	return r.(*transport.Reader), e
 }
 
-func (s StringContentReadWriter) Apply() error { return nil }
+func (s StringContentReadWriter) Apply(string) error { return nil }
 func (s StringContentReadWriter) Clone() data.Declaration { return nil }
 func (s StringContentReadWriter) Load(docData []byte, f codec.Format) (err error) { return }
 func (s StringContentReadWriter) LoadReader(r io.ReadCloser, f codec.Format) (err error) { return }