tests: an invalid cairo context before the actual rendering should not be reported as an error.
tests: an invalid cairo context before the actual rendering should not be reported as an error.

gjtorikian/lasem,gjtorikian/lasem,janmarthedal/mathml2svg,gjtorikian/lasem,wavewave/lasem,gjtorikian/lasem,wavewave/lasem,janmarthedal/mathml2svg,janmarthedal/mathml2svg,wavewave/lasem,wavewave/lasem,janmarthedal/mathml2svg