@Test
public void testDeleteNonExistantFile() throws IOException {

    // Make a temp directory
    final Path tempDirectory = Files.createTempDirectory(null);
    // Create manager
    final UploadManager uploadManager = new UploadManager(tempDirectory.toString());
    final boolean result = uploadManager.deleteKeyStore("This-File-Does-not-exist");
    assertTrue("Gracefully returns true", result);
}