<prompt> Translate the following text to SwahiliThe reason for their A national test could be embarrassing and disprove claims of improvement based on other, less-than-neutral testing regimes.  <response>: Sababu ya mtihani wao wa kitaifa inaweza kuwa ya kuaibisha na kupinga madai ya uboreshaji kulingana na mifumo mingine ya mtihani isiyo na usawa. 