Updated test helpers

Author: 1eyewonder

integrationtests/Paket.IntegrationTests/TestHelper.fs

@@ -21,14 +21,14 @@ let dotnetToolPath =
 
 let paketToolPath =
 #if PAKET_NETCORE
-    dotnetToolPath, FullName(__SOURCE_DIRECTORY__ + "../../../bin/netcoreapp2.1/paket.dll")
+    dotnetToolPath, FullName(__SOURCE_DIRECTORY__ + "../../../bin/net8/paket.dll")
 #else
     "", FullName(__SOURCE_DIRECTORY__ + "../../../bin/net461/paket.exe")
 #endif
 
 let paketBootstrapperToolPath =
 #if PAKET_NETCORE
-    dotnetToolPath, FullName(__SOURCE_DIRECTORY__ + "../../../bin_bootstrapper/netcoreapp2.1/paket.bootstrapper.dll")
+    dotnetToolPath, FullName(__SOURCE_DIRECTORY__ + "../../../bin_bootstrapper/net8/paket.bootstrapper.dll")
 #else
     "", FullName(__SOURCE_DIRECTORY__ + "../../../bin_bootstrapper/net461/paket.bootstrapper.exe")
 #endif