server gc in net core tests

Author: majocha

tests/Directory.Build.props

@@ -16,6 +16,7 @@
     <NoOptimizationData>false</NoOptimizationData>
     <NoInterfaceData>false</NoInterfaceData>
     <CompressMetadata>true</CompressMetadata>
+    <ServerGarbageCollection>true</ServerGarbageCollection>
   </PropertyGroup>
 
 </Project>

tests/FSharp.Test.Utilities/XunitHelpers.fs

@@ -202,6 +202,7 @@ module OneTimeSetup =
         log "Adding AssemblyResolver"
         AssemblyResolver.addResolver ()
     #endif
+        log $"Server GC enabled: {System.Runtime.GCSettings.IsServerGC}"
         log "Installing TestConsole redirection"
         TestConsole.install()