You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: mod.rs
    path of file: ./repos/stork/stork-lib/src/index_v3/build/fill_intermediate_entries
    
    the code of the file until where you have to start completion: use super::{DocumentError, WordListGenerationError};

mod data_source_readers;
use data_source_readers::read_from_data_source;

mod word_list_generators;
use word_list_generators::create_word_list;

mod frontmatter;
use self::frontmatter::parse_frontmatter;

use super::{IndexGenerationError, NormalizedEntry};
use crate::config::{
    Config, DataSource, File, Filetype, InputConfig, OutputConfig, StemmingConfig,
};
use indicatif::{ProgressBar, ProgressDrawTarget, ProgressIterator, ProgressStyle};
use std::{collections::HashMap, convert::TryInto}
    
    fn false_break_on_file_error_does_not_break() {
        let invalid_file = File {
            explicit_source: Some(DataSource::Contents(String::new())), // Empty word list error
            ..File::default()
        };

        let input = InputConfig {
            files: vec![invalid_file],
            break_on_file_error: false,
            ..InputConfig::default()
        };

        let output = OutputConfig::default();
        let config = Config { input, output };

        let mut intermediate_entries: Vec<NormalizedEntry> = vec![];
        let mut document_errors: Vec<DocumentError> = vec![];

        let result =
            fill_intermediate_entries(&config, &mut intermediate_entries, &mut document_errors);
        assert!(result.is_ok());
        assert_eq!(document_errors.len(), 1);
        assert_eq!(
            document_errors[0].word_list_generation_error,
            WordListGenerationError::EmptyWordList
        );
    }