A few extra fixes and tests.

options_test.go

@@ -1,9 +1,6 @@
 package kong
 
 import (
-	"encoding/json"
-	"io/ioutil"
-	"os"
 	"reflect"
 	"testing"
 
@@ -21,35 +18,6 @@ func TestOptions(t *testing.T) {
 	require.Nil(t, p.Exit)
 }
 
-func TestConfigLoading(t *testing.T) {
-	first, err := ioutil.TempFile("", "")
-	require.NoError(t, err)
-	defer first.Close()
-	defer os.Remove(first.Name())
-	second, err := ioutil.TempFile("", "")
-	require.NoError(t, err)
-	defer second.Close()
-	defer os.Remove(second.Name())
-
-	var cli struct {
-		Flag string `json:"flag,omitempty"`
-	}
-
-	cli.Flag = "first"
-	err = json.NewEncoder(first).Encode(&cli)
-	require.NoError(t, err)
-
-	cli.Flag = ""
-	err = json.NewEncoder(second).Encode(&cli)
-	require.NoError(t, err)
-
-	p, err := New(&cli, Configuration(JSON, first.Name(), second.Name()))
-	require.NoError(t, err)
-	_, err = p.Parse(nil)
-	require.NoError(t, err)
-	require.Equal(t, "first", cli.Flag)
-}
-
 type impl string
 
 func (impl) Method() {}