feat: remove file searching

lua/neotest-python/init.lua

@@ -41,7 +41,6 @@ end
 ---@async
 ---@return Tree | nil
 function PythonNeotestAdapter.discover_positions(path)
-	if path and not lib.files.is_dir(path) then
   local query = [[
     ((function_definition
       name: (identifier) @test.name)
@@ -56,9 +55,6 @@ function PythonNeotestAdapter.discover_positions(path)
     require_namespaces = get_runner() == "unittest",
   })
 end
-	local files = lib.func_util.filter_list(base.is_test_file, lib.files.find({ path }))
-	return lib.files.parse_dir_from_files(path, files)
-end
 
 ---@param args NeotestRunArgs
 ---@return NeotestRunSpec