Adds test.
Adds test.

farhaanbukhsh/networkx,blublud/networkx,ionanrozenfeld/networkx,kernc/networkx,SanketDG/networkx,blublud/networkx,jakevdp/networkx,aureooms/networkx,aureooms/networkx,beni55/networkx,dmoliveira/networkx,kernc/networkx,dhimmel/networkx,dmoliveira/networkx,jni/networkx,dhimmel/networkx,bzero/networkx,bzero/networkx,RMKD/networkx,chrisnatali/networkx,ghdk/networkx,farhaanbukhsh/networkx,jni/networkx,OrkoHunter/networkx,JamesClough/networkx,goulu/networkx,nathania/networkx,ionanrozenfeld/networkx,ghdk/networkx,jcurbelo/networkx,sharifulgeo/networkx,sharifulgeo/networkx,sharifulgeo/networkx,dmoliveira/networkx,NvanAdrichem/networkx,chrisnatali/networkx,chrisnatali/networkx,farhaanbukhsh/networkx,jfinkels/networkx,wasade/networkx,harlowja/networkx,debsankha/networkx,blublud/networkx,jakevdp/networkx,dhimmel/networkx,michaelpacer/networkx,tmilicic/networkx,RMKD/networkx,andnovar/networkx,harlowja/networkx,aureooms/networkx,nathania/networkx,RMKD/networkx,ltiao/networkx,nathania/networkx,debsankha/networkx,yashu-seth/networkx,bzero/networkx,ionanrozenfeld/networkx,Sixshaman/networkx,ghdk/networkx,kernc/networkx,harlowja/networkx,cmtm/networkx,debsankha/networkx,jakevdp/networkx,jni/networkx