Fix test that was checking numerator instead of denominator (#2160)
Fix test that was checking numerator instead of denominator (#2160)

* Test was checking numerator instead of denominator

* fixed a typo

xymostech/KaTeX,xymostech/KaTeX,xymostech/KaTeX,xymostech/KaTeX,Khan/KaTeX,xymostech/KaTeX,Khan/KaTeX,Khan/KaTeX