Yes, but you can get a replacement breaker for more like $30 and a multimeter for as little as $2 (aliexpress has $1.79-to-$1.99/free-shipping specials in their phone app).

https://www.amazon.com/Square-Schneider-Electric-HOM115PCAFIC-Single-Pole/dp/B00NOMSTE0

https://www.amazon.com/WeePro-Vpro850L-Multimeter-Voltmeter-Continuity/dp/B0BGT8XT12/