[tests] Remove X-Amzn-Trace-Id tracker before comparison
[tests] Remove X-Amzn-Trace-Id tracker before comparison

Bug: T243662
Change-Id: Ibfe647a9cfc5c8ccd1b31bf76d44a66952f9b008

PersianWikipedia/pywikibot-core,wikimedia/pywikibot-core,wikimedia/pywikibot-core