diff --git a/cmd/adapter/main_test.go b/cmd/adapter/main_test.go
index 1c6e25d..eef53c6 100644
--- a/cmd/adapter/main_test.go
+++ b/cmd/adapter/main_test.go
@@ -68,6 +68,11 @@ func (m *MockPluginManager) KeyManager(ctx context.Context, cache definition.Cac
 	return nil, nil
 }
 
+// Registry returns a mock implementation of the RegistryLookup interface.
+func (m *MockPluginManager) Registry(ctx context.Context, cfg *plugin.Config) (definition.RegistryLookup, error) {
+	return nil, nil
+}
+
 // SchemaValidator returns a mock implementation of the SchemaValidator interface.
 func (m *MockPluginManager) SchemaValidator(ctx context.Context, cfg *plugin.Config) (definition.SchemaValidator, error) {
 	return nil, nil
diff --git a/core/module/module_test.go b/core/module/module_test.go
index b62f57f..9ceaaf3 100644
--- a/core/module/module_test.go
+++ b/core/module/module_test.go
@@ -64,6 +64,11 @@ func (m *mockPluginManager) KeyManager(ctx context.Context, cache definition.Cac
 	return nil, nil
 }
 
+// Registry returns a mock registry lookup implementation.
+func (m *mockPluginManager) Registry(ctx context.Context, cfg *plugin.Config) (definition.RegistryLookup, error) {
+	return nil, nil
+}
+
 // SchemaValidator returns a mock schema validator implementation.
 func (m *mockPluginManager) SchemaValidator(ctx context.Context, cfg *plugin.Config) (definition.SchemaValidator, error) {
 	return nil, nil
@@ -180,4 +185,4 @@ func TestRegisterFailure(t *testing.T) {
 			}
 		})
 	}
-}
\ No newline at end of file
+}