<commit_before>package com.meta.alex;

/**
 * Created by oywjq3z on 11.03.2016.
 */
public class HelloWorld {

    /**
     * Public method to be used
     *
     * @return String
     */
    public String runMe() {
        return doSomethingUseful();
    }

    /**
     * Private method to be unit tested
     *
     * @return String
     */
    private String doSomethingUseful() {
        return "Hello World";
    }
}
<commit_msg>break test (on purpose)<commit_after>package com.meta.alex;

/**
 * Created by Alex on 11.03.2016.
 */
public class HelloWorld {

    /**
     * Public method to be unit tested
     *
     * @return String
     */
    public String runMe() {
        return doSomethingUseful();
    }

    /**
     * Private method
     *
     * @return String
     */
    private String doSomethingUseful() {
        return "Hello World 2";
    }
}

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{'dir': 'git-commits-cleaned', 'id': '1358993', 'n_tokens_mistral': 283, 'n_tokens_neox': 261, 'n_words': 73}