Make API not depend on SDK (#18962)

api/auth_test.go

@@ -3,8 +3,6 @@ package api
 import (
 	"context"
 	"testing"
-
-	"github.com/hashicorp/vault/sdk/logical"
 )
 
 type mockAuthMethod struct {
@@ -91,7 +89,7 @@ func TestAuth_MFALoginTwoPhase(t *testing.T) {
 			m: &mockAuthMethod{
 				mockedSecret: &Secret{
 					Auth: &SecretAuth{
-						MFARequirement: &logical.MFARequirement{
+						MFARequirement: &MFARequirement{
 							MFARequestID:   "a-req-id",
 							MFAConstraints: nil,
 						},