[MM-39631] mirgate user store to sqlx (#19403)

Co-authored-by: Mattermod <mattermod@users.noreply.github.com>

api4/apitestlib.go

@@ -417,7 +417,10 @@ func (th *TestHelper) InitLogin() *TestHelper {
 	th.TeamAdminUser = userCache.TeamAdminUser.DeepCopy()
 	th.BasicUser = userCache.BasicUser.DeepCopy()
 	th.BasicUser2 = userCache.BasicUser2.DeepCopy()
-	mainHelper.GetSQLStore().GetMaster().Insert(th.SystemAdminUser, th.TeamAdminUser, th.BasicUser, th.BasicUser2, th.SystemManagerUser)
+
+	users := []*model.User{th.SystemAdminUser, th.TeamAdminUser, th.BasicUser, th.BasicUser2, th.SystemManagerUser}
+	mainHelper.GetSQLStore().User().InsertUsers(users)
+
 	// restore non hashed password for login
 	th.SystemAdminUser.Password = "Pa$$word11"
 	th.TeamAdminUser.Password = "Pa$$word11"