___________________ TestSiteMergeHistory.test_merge_history ____________________

self = <tests.edit_tests.TestSiteMergeHistory testMethod=test_merge_history>

    def test_merge_history(self):
        """Test Site.merge_history functionality."""
        site = self.get_site()
        source = pywikibot.Page(site, 'User:Sn1per/MergeTest1')
        dest = pywikibot.Page(site, 'User:Sn1per/MergeTest2')
    
        # Without timestamp
        self.setup_test_pages()
>       site.merge_history(source, dest)

tests/edit_tests.py:160: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
pywikibot/site/_decorators.py:93: in callee
    return fn(self, *args, **kwargs)
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = APISite("test", "wikipedia"), source = Page('User:Sn1per/MergeTest1')
dest = Page('User:Sn1per/MergeTest2'), timestamp = None, reason = None

    @need_right('mergehistory')
    def merge_history(
        self,
        source: BasePage,
        dest: BasePage,
        timestamp: pywikibot.Timestamp | None = None,
        reason: str | None = None,
    ) -> None:
        """Merge revisions from one page into another.
    
        .. seealso::
    
           - :api:`Mergehistory`
           - :meth:`page.BasePage.merge_history` (should be preferred)
    
        Revisions dating up to the given timestamp in the source will be
        moved into the destination page history. History merge fails if
        the timestamps of source and dest revisions overlap (all source
        revisions must be dated before the earliest dest revision).
    
        :param source: Source page from which revisions will be merged
        :param dest: Destination page to which revisions will be merged
        :param timestamp: Revisions from this page dating up to this timestamp
            will be merged into the destination page (if not given or False,
            all revisions will be merged)
        :param reason: Optional reason for the history merge
        :raises APIError: unexpected APIError
        :raises Error: expected APIError or unexpected response
        :raises NoPageError: *source* or *dest* does not exist
        :raises PageSaveRelatedError: *source* is equal to *dest*
        """
        # Data for error messages
        errdata = {
            'site': self,
            'source': source,
            'dest': dest,
            'user': self.user(),
        }
    
        # Check if pages exist before continuing
        if not source.exists():
            raise NoPageError(source,
                              'Cannot merge revisions from source {source} '
                              'because it does not exist on {site}'
                              .format_map(errdata))
        if not dest.exists():
            raise NoPageError(dest,
                              'Cannot merge revisions to destination {dest} '
                              'because it does not exist on {site}'
                              .format_map(errdata))
    
        if source == dest:  # Same pages
            raise PageSaveRelatedError(
                page=source,
                message='Cannot merge revisions of {page} to itself'
            )
    
        # Send the merge API request
        token = self.tokens['csrf']
        req = self.simple_request(action='mergehistory', token=token)
        req['from'] = source
        req['to'] = dest
        if reason:
            req['reason'] = reason
        if timestamp:
            req['timestamp'] = timestamp
    
        self.lock_page(source)
        self.lock_page(dest)
        try:
            result = req.submit()
            pywikibot.debug(f'mergehistory response: {result}')
        except APIError as err:
            if err.code in self._mh_errors:
                on_error = self._mh_errors[err.code]
>               raise Error(on_error.format_map(errdata)) from None
E               pywikibot.exceptions.Error: Source revisions from [[test:User:Sn1per/MergeTest1]] overlap or come after destination revisions of [[test:User:Sn1per/MergeTest2]]

pywikibot/site/_apisite.py:2329: Error