Make test_draw() more robust.
Make test_draw() more robust.

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