Detach managed processes from run console

runtime/process_window_windows_test.go

@@ -12,7 +12,7 @@ import (
 	"golang.org/x/sys/windows"
 )
 
-func TestConfigureManagedProcessCommandPreservesInheritedConsole(t *testing.T) {
+func TestConfigureManagedProcessCommandDetachesFromRunConsole(t *testing.T) {
 	cmd := exec.Command("cmd.exe")
 	configureManagedProcessCommand(cmd)
 	if cmd.SysProcAttr == nil {
@@ -21,9 +21,9 @@ func TestConfigureManagedProcessCommandPreservesInheritedConsole(t *testing.T) {
 	if !cmd.SysProcAttr.HideWindow {
 		t.Fatal("expected managed console window to stay hidden")
 	}
-	expected := uint32(windows.CREATE_NO_WINDOW | windows.CREATE_BREAKAWAY_FROM_JOB)
+	expected := uint32(windows.DETACHED_PROCESS | windows.CREATE_NEW_PROCESS_GROUP | windows.CREATE_BREAKAWAY_FROM_JOB)
 	if cmd.SysProcAttr.CreationFlags != expected {
-		t.Fatalf("expected a hidden breakaway helper without a console, got %#x", cmd.SysProcAttr.CreationFlags)
+		t.Fatalf("expected a detached breakaway helper isolated from Ctrl+C, got %#x", cmd.SysProcAttr.CreationFlags)
 	}
 }