Atesting or Attesting: How To spell?
The word Atesting is misspelled against Attesting, which is present continuous of "Attest"
Attesting has double "tt" is mispronounced as "t"Remember double 'TT' in between the strings a & esting which should not be misspelled with single 'T'
Wrong Spelling:  a-t-esting  Correct Spelling:  a-tt-esting 
Find more wrongly spelled words of Attesting to spell it well.