Adapt EntityRepo-Mock to be able to work with unique-ptr in function signature

MantleAPI/test/MantleAPI/Test/test_utils.h

@@ -249,12 +249,12 @@ class MockEntityRepository : public mantle_api::IEntityRepository
     mantle_api::IStaticObject& Create(const std::string& name,
                                       std::unique_ptr<mantle_api::StaticObjectProperties> properties) override
     {
-        return CreateStaticObjectProxy(name, properties.get());
+        return CreateStaticObjectProxy(name, *properties);
     }
 
     MOCK_METHOD(mantle_api::IStaticObject&,
                 CreateStaticObjectProxy,
-                (const std::string& name, mantle_api::StaticObjectProperties* properties), ());
+                (const std::string& name, const mantle_api::StaticObjectProperties& properties), ());
 
     mantle_api::IEntity& Get(const std::string& name) override
     {