LTR comfort tests me, saying that she is afraid that she is not good enough for me. How do I react? In this situation I held frame saying the things I find important in a girl(that she stated that she was insecure about) and said I love her after that.

From all I have seen comfort tests require some form of beta behaviour. Is saying I love you, after not betaing about her insecurities enough? Or should I have comforted her more? What is the best way to face a comfort test?