Fix typos in tests for edge methods that call neighbors. Fixes #575
Fix typos in tests for edge methods that call neighbors.
Fixes #575

jtorrents/networkx,dmoliveira/networkx,bzero/networkx,chrisnatali/networkx,ionanrozenfeld/networkx,jni/networkx,aureooms/networkx,blublud/networkx,dhimmel/networkx,RMKD/networkx,blublud/networkx,nathania/networkx,ionanrozenfeld/networkx,jakevdp/networkx,jtorrents/networkx,chrisnatali/networkx,cmtm/networkx,jakevdp/networkx,debsankha/networkx,farhaanbukhsh/networkx,kernc/networkx,bzero/networkx,harlowja/networkx,goulu/networkx,andnovar/networkx,jni/networkx,OrkoHunter/networkx,nathania/networkx,dhimmel/networkx,wasade/networkx,aureooms/networkx,farhaanbukhsh/networkx,jakevdp/networkx,RMKD/networkx,SanketDG/networkx,sharifulgeo/networkx,ltiao/networkx,harlowja/networkx,kernc/networkx,farhaanbukhsh/networkx,dhimmel/networkx,jcurbelo/networkx,kai5263499/networkx,dmoliveira/networkx,kai5263499/networkx,JamesClough/networkx,debsankha/networkx,kernc/networkx,tmilicic/networkx,ionanrozenfeld/networkx,beni55/networkx,jni/networkx,jfinkels/networkx,michaelpacer/networkx,Sixshaman/networkx,dmoliveira/networkx,ghdk/networkx,kai5263499/networkx,nathania/networkx,sharifulgeo/networkx,ghdk/networkx,aureooms/networkx,blublud/networkx,bzero/networkx,debsankha/networkx,sharifulgeo/networkx,RMKD/networkx,yashu-seth/networkx,ghdk/networkx,NvanAdrichem/networkx,chrisnatali/networkx,harlowja/networkx