I am playing with some alexa skills and I want to test them on my alexa echo device. One of them I've tested last week and it was working fine, now none of the 3 will work on echo device. I am logged in with the same account into the echo device and alexa developer console. For every of the 3 skills under the Test tab I have "Skill testing is enabled in: Development". I can also see the skills on my alexa phone app under "Your skills" -> "Dev" and they are all enabled. Is there a way to check what is going on?