Fixed user create rake task (#1690)

lib/tasks/user.rake

@@ -36,13 +36,13 @@ namespace :user do
         exit
       end
 
-      if u[:role] == "super_admin"
-        user.remove_role(:user)
-        user.set_role(:super_admin)
-      elsif u[:role] == "admin"
-        user.set_role(:admin)
+      unless Role.exists?(name: u[:role], provider: u[:provider])
+        puts "Invalid Role - Role does not exist"
+        exit
       end
 
+      user.set_role(u[:role])
+
       puts "Account succesfully created."
       puts "Email: #{u[:email]}"
       puts "Password: #{u[:password]}"