diff --git a/test/data_interface_mock.hpp b/test/data_interface_mock.hpp
index d823da5..6335ad2 100644
--- a/test/data_interface_mock.hpp
+++ b/test/data_interface_mock.hpp
@@ -11,4 +11,6 @@
     virtual ~DataInterfaceMock() = default;
 
     MOCK_METHOD2(sendContents, bool(const std::string&, std::uint16_t));
+    MOCK_CONST_METHOD0(supportedType,
+                       blobs::FirmwareBlobHandler::UpdateFlags());
 };