@Test
public void testGetForkNotFoundFromExistingRecords() {

    String reponame = "reponame";
    DockerfileGitHubUtil dockerfileGitHubUtil = mock(DockerfileGitHubUtil.class);
    GitHubPullRequestSender gitHubPullRequestSender = new GitHubPullRequestSender(dockerfileGitHubUtil, mock(ForkableRepoValidator.class));
    Multimap<String, GitHubContentToProcess> processMultimap = HashMultimap.create();
    assertNull(gitHubPullRequestSender.getForkFromExistingRecordToProcess(processMultimap, reponame));
}