Oh, fun, apparently we still do rely on sequential execution :/

Revert "This doesn't do anything anymore."

This reverts commit 8f5941e.

.github/workflows/ci.yml

@@ -31,6 +31,8 @@ jobs:
       - uses: extractions/setup-just@v2
       - name: Run tests
         run: just test
+        env:
+          TEST_SEQUENTIAL: 1
 
   release:
     if: github.event_name == 'push' && startsWith(github.event.ref, 'refs/tags/v')

justfile

@@ -16,7 +16,7 @@ test: _rebuild-test-fixtures _clone-test-dependencies
 
 # Run the test suite without rebuilding or recloning any dependencies.
 retest *test_files=spec:
-    nvim --headless -u {{ init_lua }} -c 'lua require("inanis").run{ specs = vim.split("{{ test_files }}", " "), minimal_init = "{{ init_lua }}" }'
+    nvim --headless -u {{ init_lua }} -c 'lua require("inanis").run{ specs = vim.split("{{ test_files }}", " "), minimal_init = "{{ init_lua }}", sequential = vim.env.TEST_SEQUENTIAL ~= nil }'
 
 # Run an instance of neovim with the same minimal init used to run tests.
 nvim setup_table='{}' *ARGS='':