Dune+Reason+bisect_ppx bug repro

dune

(library
 (name dune_reason_bisect)
 (inline_tests)
 (preprocess (pps ppx_expect bisect_ppx)))

dune-project

(lang dune 1.4)

dune_reason_bisect.opam

opam-version: "2.0"
name: "dune_reason_bisect"
version: "0.0.1"
maintainer: "Ozan Sener <[email protected]>"
authors: [
  "Ozan Sener <[email protected]>"
]
build: [
  ["dune" "build" "-p" name "-j" jobs]
]
depends: [
  "bisect_ppx"
  "dune" {build & >= "1.4"}
  "ppx_expect"
  "reason"
]

main.re

let hello = () => "Hello world";

let%expect_test _ = {
  hello() |> print_endline;
  %expect
  {| Hello world |}
};