utils: replace qemu_test with qemu

qemu_test lacks support for QXL VGA

wfvm/bundle/default.nix

@@ -1,7 +1,10 @@
 { pkgs }:
 
 pkgs.runCommandNoCC "win-bundle-installer.exe" {} ''
+  mkdir bundle
+  cd bundle
+  cp ${./go.mod} go.mod
   cp ${./main.go} main.go
   env HOME=$(mktemp -d) GOOS=windows GOARCH=amd64 ${pkgs.go}/bin/go build
-  mv build.exe $out
+  mv bundle.exe $out
 ''

wfvm/bundle/go.mod

@@ -0,0 +1,3 @@
+module bundle
+
+go 1.11

wfvm/utils.nix

@@ -2,7 +2,7 @@
 
 rec {
   # qemu_test is a smaller closure only building for a single system arch
-  qemu = pkgs.qemu_test;
+  qemu = pkgs.qemu;
 
   mkQemuFlags = extraFlags: [
     "-enable-kvm"