fix(neotest): no tests found when getting root dir for directory

Author: Marc Jakobi

CHANGELOG.md

@@ -6,6 +6,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [4.22.3] - 2024-04-14
+
+### Fixed
+
+- Neotest: No tests found when getting root directory for a project directory.
+
 ## [4.22.2] - 2024-04-14
 
 ### Fixed

lua/rustaceanvim/cargo.lua

@@ -33,7 +33,7 @@ function cargo.get_root_dir(file_name)
   if reuse_active then
     return reuse_active
   end
-  local path = vim.fs.dirname(file_name)
+  local path = file_name:find('%.rs$') and vim.fs.dirname(file_name) or file_name
   if not path then
     return nil
   end