Fix test build

Author: dbrattli

paket.dependencies

@@ -10,12 +10,12 @@ nuget Fable.Core ~> 4.1
 group Test
     source https://api.nuget.org/v3/index.json
     storage: none
-    framework: net8.0
+    framework: net9.0
 
     nuget FSharp.Core
     nuget Fable.Core ~> 4.1
     nuget Microsoft.NET.Test.Sdk ~> 16
-    nuget XUnit ~> 2
+    nuget xunit ~> 2
     nuget xunit.runner.visualstudio ~>  2
 
 

paket.lock

@@ -59,7 +59,7 @@ NUGET
 
 GROUP Test
 STORAGE: NONE
-RESTRICTION: == net8.0
+RESTRICTION: == net9.0
 NUGET
   remote: https://api.nuget.org/v3/index.json
     Fable.Core (4.5)
@@ -74,9 +74,7 @@ NUGET
       Microsoft.TestPlatform.ObjectModel (>= 17.14.1)
       Newtonsoft.Json (>= 13.0.3)
     Newtonsoft.Json (13.0.3)
-    System.Collections.Immutable (9.0.6)
     System.Reflection.Metadata (9.0.6)
-      System.Collections.Immutable (>= 9.0.6)
     xunit (2.9.3)
       xunit.analyzers (>= 1.18)
       xunit.assert (>= 2.9.3)

test/paket.references

@@ -5,6 +5,5 @@ Fable.Core
 
 Microsoft.NET.Test.Sdk
 
-XUnit
-
+xunit
 xunit.runner.visualstudio