feat(tvix/eval): enable the XFAIL tests r/5123

This commit adds support for running the "expected failure" tests in
both the nix and tvix test suites.

I have disabled the eval-fail-blackhole.nix test because it gets
stuck running forever.

Signed-off-by: Adam Joseph <adam@westernsemico.com>
Change-Id: Iba75ce6c8f2becab3c834fcfdd9f4fdc5a4bdb9f
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6990
Tested-by: BuildkiteCI
Reviewed-by: tazjin <tazjin@tvl.su>
Reviewed-by: grfn <grfn@gws.fyi>

1 files changed, 0 insertions, 5 deletions

diff --git a/tvix/eval/src/tests/nix_tests/eval-fail-blackhole.nix b/tvix/eval/src/tests/nix_tests/eval-fail-blackhole.nix
deleted file mode 100644
index 81133b511c95..000000000000
--- a/tvix/eval/src/tests/nix_tests/eval-fail-blackhole.nix
+++ /dev/null
@@ -1,5 +0,0 @@
-let {
-  body = x;
-  x = y;
-  y = x;
-}