public Embedding insertEmbeddingWithImg(Subject subject, String calculator, double[] embedding, Img img) {
        return embeddingRepository.save(makeEmbedding(subject, calculator, embedding, img));
    }
Method inserts new app/model before subject insert.

@param subjectName subject name
@return subject object
java/api/src/test/java/com/exadel/frs/core/trainservice/DbHelper.java