tests(dircolors): enable wasi integration tests

.github/workflows/wasi.yml

@@ -65,7 +65,7 @@ jobs:
         # caret diagnostics; the host test crate does have them, hence the
         # not(wasi_runner) in the cfg guarding every `mod diagnostics`.
         # TODO: add integration tests for these tools as WASI support is extended:
-        #   csplit dircolors fmt ls mv readlink
+        #   csplit fmt ls mv readlink
         #   rm seq sort split tsort
         # nproc is not part of the default feature set, so it needs to be
         # requested explicitly for the host test crate to compile its tests.
@@ -74,7 +74,7 @@ jobs:
         cargo test --test tests --features nproc -- \
           test_arch:: test_b2sum:: test_base32:: test_base64:: test_basenc:: \
           test_basename:: test_cat:: test_cksum:: test_comm:: test_cp:: test_cut:: test_date:: \
-          test_dir:: test_dirname:: test_echo:: test_expand:: test_expr:: \
+          test_dir:: test_dircolors:: test_dirname:: test_echo:: test_expand:: test_expr:: \
           test_factor:: test_false:: test_fold:: test_head:: test_join:: test_link:: test_ln:: \
           test_ls::test_ls_a_dotdot_no_error_on_wasi \
           test_ls::test_ls_al_no_capabilities_insufficient_on_wasi \

tests/by-util/test_dircolors.rs

@@ -11,6 +11,7 @@ use uutests::new_ucmd;
 
 #[test]
 #[cfg(target_os = "linux")]
+#[cfg_attr(wasi_runner, ignore = "WASI: argv/filenames must be valid UTF-8")]
 fn test_dircolors_non_utf8_paths() {
     use std::os::unix::ffi::OsStringExt;
     let (at, mut ucmd) = at_and_ucmd!();