private void testUpgrade(String filename)
throws Exception
{
copyFromClasspathToFile(UPGRADE_HOME + "/" + filename, getSecurityConfiguration());
SecurityConfiguration configuration = configurationUpgrader
.loadOldConfiguration(new File(getSecurityConfiguration()));
assertThat(configuration.getVersion(), is(SecurityConfiguration.MODEL_VERSION));
resultIsFine(UPGRADE_HOME + "/" + filename, configuration);
}