curly: requires alcotest for tests

[avsm]

No description provided.

[camelus]

☀️ All lint checks passed ac89142

• These packages passed lint tests: curly.0.1.0

---

☀️ Installability check (11241 → 11241)

[kit-ty-kate]

A dependency to an old version of lwt seems required for tests:

#=== ERROR while compiling curly.0.1.0 ========================================#
# context     2.0.3 | linux/x86_64 | ocaml-base-compiler.4.07.1 | file:///home/travis/build/ocaml/opam-repository
# path        ~/.opam/ocaml-base-compiler.4.07.1/.opam-switch/build/curly.0.1.0
# command     ~/.opam/opam-init/hooks/sandbox.sh build jbuilder runtest -p curly -j 1
# exit-code   1
# env-file    ~/.opam/log/curly-16595-4847c3.env
# output-file ~/.opam/log/curly-16595-4847c3.out
### output ###
# [...]
# Note: You can use "dune upgrade" to convert your project to dune.
# File "src/jbuild", line 1, characters 0-0:
# Warning: jbuild files are deprecated, please convert this file to a dune file instead.
# Note: You can use "dune upgrade" to convert your project to dune.
# File "test/jbuild", line 1, characters 0-0:
# Warning: jbuild files are deprecated, please convert this file to a dune file instead.
# Note: You can use "dune upgrade" to convert your project to dune.
# File "test/jbuild", line 5, characters 45-59:
# 5 |   (libraries (curly alcotest cohttp-lwt-unix lwt.preemptive))))
#                                                  ^^^^^^^^^^^^^^
# Error: Library "lwt.preemptive" not found.
# Hint: try: dune external-lib-deps --missing -j 1 -p curly @runtest

[kit-ty-kate]

arf I forgot to merge this one. Thanks!