Ignore panic_fmt lint in macro-comma-behavior-rpass ui test.
Ignore panic_fmt lint in macro-comma-behavior-rpass ui test.

graydon/rust,aidancully/rust,aidancully/rust,aidancully/rust,graydon/rust,graydon/rust,aidancully/rust,graydon/rust,aidancully/rust,aidancully/rust,graydon/rust,graydon/rust