Refactor & more tests

Author: anisaoshafi

test/integration/emulator_select_test.go

@@ -17,13 +17,16 @@ import (
 	"github.com/stretchr/testify/require"
 )
 
-// freshConfigEnv returns an Environ pointing HOME at a new temp directory
-// (with .config/ pre-created) so lstk uses an isolated, empty config dir.
+// freshConfigEnv returns an Environ pointing HOME and USERPROFILE at a new
+// temp directory (with .config/ pre-created) so lstk uses an isolated config
+// dir on both Unix (HOME) and Windows (USERPROFILE).
 func freshConfigEnv(t *testing.T) (env.Environ, string) {
 	t.Helper()
 	tmpHome := t.TempDir()
 	require.NoError(t, os.MkdirAll(filepath.Join(tmpHome, ".config"), 0755))
-	return env.Without(env.Home).With(env.Home, tmpHome), tmpHome
+	return env.Without(env.Home).
+		With(env.Home, tmpHome).
+		With("USERPROFILE", tmpHome), tmpHome
 }
 
 func TestEmulatorFlagSwitchesConfigToSnowflake(t *testing.T) {