Using to_be_error crashes

[Sgregory42]

to replicate :

pub fn some_test() {

  Error("toast")
  |> expect.to_be_error
}

stack trace

runtime error: Erlang error

No pattern matched in an Erlang case expression.

unmatched value:
  Ok("toast")

stacktrace:
  startest/test_failure.rescue src/startest/test_failure.gleam:20
  startest/internal/runner/core.run_test src/startest/internal/runner/core.gleam:132
  startest/internal/runner/core.-run_tests/2-anonymous-3- src/startest/internal/runner/core.gleam:82
  gleam/list.map_loop src/gleam/list.gleam:409
  startest/internal/runner/core.run_tests src/startest/internal/runner/core.gleam:74
  gleam/result.map src/gleam/result.gleam:91
  glint.execute_root src/glint.gleam:544
  glint.do_execute src/glint.gleam:520

[maxdeviant]

@Sgregory42 What versions of Gleam and Erlang are you using?

[Sgregory42]

gleam --version
gleam 1.13.0

erl --version
Erlang/OTP 28 [erts-16.1.1] [source] [64-bit] [smp:12:12] [ds:12:12:10] [async-threads:1] [jit] [dtrace]