RestoreNonExistingPackageFromNonExistingSource

Result StackTrace:	
at System.Collections.Generic.SortedSet`1..ctor(IEnumerable`1 collection, IComparer`1 comparer)
   at NuGet.Commands.UnresolvedMessages.<GetSourceInfoForIdAsync>d__6.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at NuGet.Commands.UnresolvedMessages.<GetSourceInfosForIdAsync>d__5.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd(Task task)
   at NuGet.Commands.UnresolvedMessages.<GetMessageAsync>d__1.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at NuGet.Commands.UnresolvedMessages.<LogAsync>d__0.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at NuGet.Commands.ProjectRestoreCommand.<ResolutionSucceeded>d__6.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd(Task task)
   at NuGet.Commands.ProjectRestoreCommand.<TryRestoreAsync>d__3.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd(Task task)
   at NuGet.Commands.RestoreCommand.<ExecuteRestoreAsync>d__19.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd(Task task)
   at NuGet.Commands.RestoreCommand.<ExecuteAsync>d__8.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter`1.GetResult()
   at UiPath.PackageManager.Core.SimplePackageManagerService.<Install>d__3.MoveNext() in C:\Projects\Studio\UiPath.PackageManager.Core\Services\SimplePackageManagerService.cs:line 49
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter`1.GetResult()
   at UiPath.PackageManager.Core.Tests.SimplePackageManagerTests.<ContentOnly>d__3.MoveNext() in C:\Projects\Studio\UiPath.PackageManager.Core.Tests\SimplePackageManagerTests.cs:line 44
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.CompilerServices.AsyncMethodBuilderCore.<>c.<ThrowAsync>b__6_0(Object state)
Result Message:	
System.ArgumentNullException : Value cannot be null.
Parameter name: collection
Result StandardOutput:	
LOG  : Restoring packages for Tests...
TRACE: Restoring packages for .NETFramework,Version=v4.5.2...
WARN : NU1801: The local source 'C:\Projects\Studio\UiPath.PackageManager.Core.Tests\bin\Debug\x' doesn't exist.
TRACE: Resolving conflicts for .NETFramework,Version=v4.5.2...
WARN : NU1801: The local source 'C:\Projects\Studio\UiPath.PackageManager.Core.Tests\bin\Debug\x' doesn't exist.