Update xunit references in crossgen.Tests
Update xunit references in crossgen.Tests

svick/cli,nguerrera/cli,livarcocc/cli-1,FubarDevelopment/cli,mlorbetske/cli,mylibero/cli,weshaggard/cli,FubarDevelopment/cli,naamunds/cli,Faizan2304/cli,FubarDevelopment/cli,borgdylan/dotnet-cli,weshaggard/cli,schellap/cli,borgdylan/dotnet-cli,harshjain2/cli,nguerrera/cli,borgdylan/dotnet-cli,mlorbetske/cli,AbhitejJohn/cli,mylibero/cli,naamunds/cli,nguerrera/cli,dasMulli/cli,naamunds/cli,nguerrera/cli,johnbeisner/cli,jonsequitur/cli,svick/cli,Faizan2304/cli,MichaelSimons/cli,weshaggard/cli,blackdwarf/cli,blackdwarf/cli,johnbeisner/cli,blackdwarf/cli,dasMulli/cli,dasMulli/cli,Faizan2304/cli,mlorbetske/cli,harshjain2/cli,AbhitejJohn/cli,livarcocc/cli-1,jonsequitur/cli,mylibero/cli,MichaelSimons/cli,svick/cli,EdwardBlair/cli,borgdylan/dotnet-cli,weshaggard/cli,JohnChen0/cli,jonsequitur/cli,MichaelSimons/cli,AbhitejJohn/cli,AbhitejJohn/cli,MichaelSimons/cli,jonsequitur/cli,EdwardBlair/cli,borgdylan/dotnet-cli,schellap/cli,schellap/cli,mylibero/cli,mylibero/cli,johnbeisner/cli,naamunds/cli,harshjain2/cli,mlorbetske/cli,ravimeda/cli,JohnChen0/cli,EdwardBlair/cli,naamunds/cli,MichaelSimons/cli,schellap/cli,ravimeda/cli,schellap/cli,FubarDevelopment/cli,schellap/cli,blackdwarf/cli,livarcocc/cli-1,JohnChen0/cli,JohnChen0/cli,weshaggard/cli,ravimeda/cli