@Test
public void testSecondBootstrapDoesNothing() {

    final StoredOrDefaultConfigurationProvider configurationProvider =
        new StoredOrDefaultConfigurationProvider(StoredOrDefaultConfigurationProviderTest.setupMockStorage(null));
    final ConfigurationFileManager subject = getTestJenkinsConfiguration(configurationProvider);
    subject.initConfiguration();
    // modify the extracted configuration
    assertTrue(defaultFile.delete());
    // running bootstrap again must not restore the file
    subject.initConfiguration();
    assertFalse(defaultFile.exists());
}