Update AssertEx.SetEquals to print better output
Update AssertEx.SetEquals to print better output

The use of Assert.True() is confusing as you end up with:

Expected: [set]
Actual: [another set]
Expected: True
Actual: False

This dispenses of the second expected/actual.

mattscheffer/roslyn,KirillOsenkov/roslyn,sharwell/roslyn,AdamSpeight2008/roslyn-AdamSpeight2008,agocke/roslyn,nguerrera/roslyn,mgoertz-msft/roslyn,bartdesmet/roslyn,CyrusNajmabadi/roslyn,brettfo/roslyn,khyperia/roslyn,mgoertz-msft/roslyn,DustinCampbell/roslyn,AdamSpeight2008/roslyn-AdamSpeight2008,nguerrera/roslyn,KirillOsenkov/roslyn,jmarolf/roslyn,MichalStrehovsky/roslyn,tannergooding/roslyn,wvdd007/roslyn,gafter/roslyn,eriawan/roslyn,swaroop-sridhar/roslyn,Giftednewt/roslyn,aelij/roslyn,agocke/roslyn,DustinCampbell/roslyn,eriawan/roslyn,orthoxerox/roslyn,mattscheffer/roslyn,davkean/roslyn,swaroop-sridhar/roslyn,stephentoub/roslyn,AlekseyTs/roslyn,reaction1989/roslyn,jasonmalinowski/roslyn,jasonmalinowski/roslyn,jamesqo/roslyn,heejaechang/roslyn,MichalStrehovsky/roslyn,xasx/roslyn,eriawan/roslyn,OmarTawfik/roslyn,lorcanmooney/roslyn,diryboy/roslyn,AmadeusW/roslyn,genlu/roslyn,gafter/roslyn,nguerrera/roslyn,ErikSchierboom/roslyn,mgoertz-msft/roslyn,AlekseyTs/roslyn,heejaechang/roslyn,panopticoncentral/roslyn,shyamnamboodiripad/roslyn,VSadov/roslyn,mavasani/roslyn,dpoeschl/roslyn,tannergooding/roslyn,CyrusNajmabadi/roslyn,abock/roslyn,KirillOsenkov/roslyn,bartdesmet/roslyn,weltkante/roslyn,MichalStrehovsky/roslyn,panopticoncentral/roslyn,jmarolf/roslyn,wvdd007/roslyn,abock/roslyn,stephentoub/roslyn,lorcanmooney/roslyn,sharwell/roslyn,jcouv/roslyn,mavasani/roslyn,stephentoub/roslyn,diryboy/roslyn,bartdesmet/roslyn,jasonmalinowski/roslyn,mmitche/roslyn,orthoxerox/roslyn,jcouv/roslyn,aelij/roslyn,Hosch250/roslyn,genlu/roslyn,sharwell/roslyn,Hosch250/roslyn,VSadov/roslyn,swaroop-sridhar/roslyn,weltkante/roslyn,KevinRansom/roslyn,jcouv/roslyn,paulvanbrenk/roslyn,mattscheffer/roslyn,weltkante/roslyn,dpoeschl/roslyn,DustinCampbell/roslyn,Giftednewt/roslyn,Hosch250/roslyn,AmadeusW/roslyn,shyamnamboodiripad/roslyn,AmadeusW/roslyn,genlu/roslyn,tmeschter/roslyn,KevinRansom/roslyn,cston/roslyn,bkoelman/roslyn,jamesqo/roslyn,physhi/roslyn,diryboy/roslyn,bkoelman/roslyn,dpoeschl/roslyn,ErikSchierboom/roslyn,abock/roslyn,xasx/roslyn,tannergooding/roslyn,VSadov/roslyn,brettfo/roslyn,reaction1989/roslyn,tmeschter/roslyn,OmarTawfik/roslyn,xasx/roslyn,physhi/roslyn,khyperia/roslyn,davkean/roslyn,mmitche/roslyn,panopticoncentral/roslyn,shyamnamboodiripad/roslyn,agocke/roslyn,Giftednewt/roslyn,AdamSpeight2008/roslyn-AdamSpeight2008,heejaechang/roslyn,tmat/roslyn,paulvanbrenk/roslyn,AlekseyTs/roslyn,davkean/roslyn,ErikSchierboom/roslyn,lorcanmooney/roslyn,KevinRansom/roslyn,mmitche/roslyn,physhi/roslyn,cston/roslyn,dotnet/roslyn,dotnet/roslyn,bkoelman/roslyn,paulvanbrenk/roslyn,tmeschter/roslyn,orthoxerox/roslyn,CyrusNajmabadi/roslyn,jamesqo/roslyn,mavasani/roslyn,gafter/roslyn,tmat/roslyn,cston/roslyn,dotnet/roslyn,tmat/roslyn,khyperia/roslyn,wvdd007/roslyn,reaction1989/roslyn,jmarolf/roslyn,aelij/roslyn,brettfo/roslyn,OmarTawfik/roslyn