# rspack_error ## Testing ### Prerequisite - Install `cargo-insta`, more details reference https://crates.io/crates/cargo-insta ### How 1. Run `cargo test`. 2. If any updates related to diagnostic emitting, the testing maybe fail. 3. Checking if the `fixtures.new.snap` is expected, if true then run `cargo insta accept`, more document you could see https://github.com/mitsuhiko/insta. Else adjust you program logic then goto `1`