This test passes if it does not crash

RenderMathMLFenced

RenderMathMLFraction

RenderMathMLMath

RenderMathMLMenclose

|
RenderMathMLOperator

RenderMathMLPadded

RenderMathMLRoot

RenderMathMLRow

RenderMathMLScripts

RenderMathMLSpace

A
RenderMathMLToken

RenderMathMLUnderOver