proxy: Move to mockery for generating mocks

To align with what we're using everywhere else.

services/proxy/pkg/middleware/basic_auth_test.go

@@ -1,42 +1,41 @@
 package middleware
 
 import (
-	"context"
 	"net/http"
 	"net/http/httptest"
 
 	userv1beta1 "github.com/cs3org/go-cs3apis/cs3/identity/user/v1beta1"
 	. "github.com/onsi/ginkgo/v2"
+	"github.com/test-go/testify/mock"
 
 	. "github.com/onsi/gomega"
 	"github.com/owncloud/ocis/v2/ocis-pkg/log"
 	"github.com/owncloud/ocis/v2/ocis-pkg/oidc"
 	"github.com/owncloud/ocis/v2/services/proxy/pkg/user/backend"
-	"github.com/owncloud/ocis/v2/services/proxy/pkg/user/backend/test"
+	"github.com/owncloud/ocis/v2/services/proxy/pkg/user/backend/mocks"
 )
 
 var _ = Describe("Authenticating requests", Label("BasicAuthenticator"), func() {
 	var authenticator Authenticator
+	ub := mocks.UserBackend{}
+	ub.On("Authenticate", mock.Anything, "testuser", "testpassword").Return(
+		&userv1beta1.User{
+			Id: &userv1beta1.UserId{
+				Idp:      "IdpId",
+				OpaqueId: "OpaqueId",
+			},
+			Username: "testuser",
+			Mail:     "testuser@example.com",
+		},
+		"",
+		nil,
+	)
+	ub.On("Authenticate", mock.Anything, mock.Anything, mock.Anything).Return(nil, "", backend.ErrAccountNotFound)
+
 	BeforeEach(func() {
 		authenticator = BasicAuthenticator{
-			Logger: log.NewLogger(),
-			UserProvider: &test.UserBackendMock{
-				AuthenticateFunc: func(ctx context.Context, username, password string) (*userv1beta1.User, string, error) {
-					var user *userv1beta1.User
-					if username == "testuser" && password == "testpassword" {
-						user = &userv1beta1.User{
-							Id: &userv1beta1.UserId{
-								Idp:      "IdpId",
-								OpaqueId: "OpaqueId",
-							},
-							Username: "testuser",
-							Mail:     "testuser@example.com",
-						}
-						return user, "", nil
-					}
-					return nil, "", backend.ErrAccountNotFound
-				},
-			},
+			Logger:       log.NewLogger(),
+			UserProvider: &ub,
 		}
 	})