lwt_eio: don't run tests with Eio 0.13
The MDX output changed slightly, breaking the tests.
Thomas Leonard 2 years ago 31a7f9e3 25db7aa6
··· 13 13 "eio" {>= "0.12"} 14 14 "lwt" {>= "5.7.0"} 15 15 "mdx" {>= "1.10.0" & with-test} 16 16 - "eio_main" {with-test} 16 16 + "eio_main" {< "0.13" & with-test} 17 17 "odoc" {with-doc} 18 18 ] 19 19 build: [