MM-54502 - Update regex to force first character to be alpha (#24675)

Automatic Merge

server/cmd/mmctl/commands/token_e2e_test.go

@@ -25,7 +25,7 @@ func (s *MmctlE2ETestSuite) TestTokenGenerateForUserCmd() {
 	s.RunForSystemAdminAndLocal("Generate token for user", func(c client.Client) {
 		printer.Clean()
 
-		user, appErr := s.th.App.CreateUser(s.th.Context, &model.User{Email: s.th.GenerateTestEmail(), Username: model.NewId(), Password: model.NewId()})
+		user, appErr := s.th.App.CreateUser(s.th.Context, &model.User{Email: s.th.GenerateTestEmail(), Username: model.NewUsername(), Password: model.NewId()})
 		s.Require().Nil(appErr)
 
 		err := generateTokenForAUserCmdF(c, &cobra.Command{}, []string{user.Email, tokenDescription})
@@ -61,7 +61,7 @@ func (s *MmctlE2ETestSuite) TestTokenGenerateForUserCmd() {
 	s.Run("Generate token without permission", func() {
 		printer.Clean()
 
-		user, appErr := s.th.App.CreateUser(s.th.Context, &model.User{Email: s.th.GenerateTestEmail(), Username: model.NewId(), Password: model.NewId()})
+		user, appErr := s.th.App.CreateUser(s.th.Context, &model.User{Email: s.th.GenerateTestEmail(), Username: model.NewUsername(), Password: model.NewId()})
 		s.Require().Nil(appErr)
 
 		err := generateTokenForAUserCmdF(s.th.Client, &cobra.Command{}, []string{user.Email, tokenDescription})