@Test
public void testChangeProperty_shouldShowChangedValueInResult() throws Exception {

    FileUtils.writeLines(connectorFile, Arrays.asList("domainType=d",
        "connectorType=c", "property.foo=bar"));
    ConnectorFile fileObject = new ConnectorFile(connectorFile);
    FileUtils.writeLines(connectorFile, Arrays.asList("domainType=d",
        "connectorType=c", "property.foo=bar,42"));
    ChangeSet update = fileObject.getChanges(connectorFile);
    update.getChangedProperties().entriesOnlyOnRight().containsKey("test");
}