Add unit tests for the case with dependencies having target framework specified.
Add unit tests for the case with dependencies having target framework specified.

alluran/node.net,jmezach/NuGet2,chester89/nugetApi,RichiCoder1/nuget-chocolatey,themotleyfool/NuGet,antiufo/NuGet2,RichiCoder1/nuget-chocolatey,jholovacs/NuGet,akrisiun/NuGet,antiufo/NuGet2,chocolatey/nuget-chocolatey,jholovacs/NuGet,zskullz/nuget,dolkensp/node.net,dolkensp/node.net,mrward/nuget,jmezach/NuGet2,mrward/NuGet.V2,rikoe/nuget,pratikkagda/nuget,mrward/nuget,jmezach/NuGet2,dolkensp/node.net,mrward/NuGet.V2,mrward/NuGet.V2,mrward/NuGet.V2,xoofx/NuGet,mrward/nuget,jholovacs/NuGet,GearedToWar/NuGet2,oliver-feng/nuget,rikoe/nuget,mrward/nuget,rikoe/nuget,mrward/nuget,atheken/nuget,antiufo/NuGet2,GearedToWar/NuGet2,GearedToWar/NuGet2,kumavis/NuGet,oliver-feng/nuget,indsoft/NuGet2,jholovacs/NuGet,mono/nuget,mrward/NuGet.V2,xoofx/NuGet,anurse/NuGet,xoofx/NuGet,zskullz/nuget,alluran/node.net,OneGet/nuget,pratikkagda/nuget,mono/nuget,xoofx/NuGet,ctaggart/nuget,akrisiun/NuGet,oliver-feng/nuget,themotleyfool/NuGet,rikoe/nuget,OneGet/nuget,RichiCoder1/nuget-chocolatey,xoofx/NuGet,jmezach/NuGet2,chocolatey/nuget-chocolatey,jholovacs/NuGet,antiufo/NuGet2,chocolatey/nuget-chocolatey,alluran/node.net,oliver-feng/nuget,antiufo/NuGet2,GearedToWar/NuGet2,pratikkagda/nuget,indsoft/NuGet2,oliver-feng/nuget,GearedToWar/NuGet2,mrward/nuget,jmezach/NuGet2,chocolatey/nuget-chocolatey,ctaggart/nuget,antiufo/NuGet2,alluran/node.net,oliver-feng/nuget,jmezach/NuGet2,atheken/nuget,indsoft/NuGet2,chester89/nugetApi,OneGet/nuget,themotleyfool/NuGet,zskullz/nuget,mono/nuget,zskullz/nuget,RichiCoder1/nuget-chocolatey,xoofx/NuGet,OneGet/nuget,kumavis/NuGet,chocolatey/nuget-chocolatey,jholovacs/NuGet,mrward/NuGet.V2,indsoft/NuGet2,dolkensp/node.net,ctaggart/nuget,pratikkagda/nuget,anurse/NuGet,GearedToWar/NuGet2,indsoft/NuGet2,RichiCoder1/nuget-chocolatey,ctaggart/nuget,indsoft/NuGet2,pratikkagda/nuget,pratikkagda/nuget,RichiCoder1/nuget-chocolatey,chocolatey/nuget-chocolatey,mono/nuget