fix: include sub-test output in test output

lua/neotest-golang/lib/init.lua

@@ -4,5 +4,6 @@ M.convert = require("neotest-golang.lib.convert")
 M.cmd = require("neotest-golang.lib.cmd")
 M.find = require("neotest-golang.lib.find")
 M.json = require("neotest-golang.lib.json")
+M.string = require("neotest-golang.lib.string")
 
 return M

lua/neotest-golang/lib/string.lua

@@ -0,0 +1,13 @@
+local M = {}
+
+---Check if a string starts with a given prefix.
+---@param str string
+---@param prefix string
+function M.starts_with(str, prefix)
+  if str == nil or prefix == nil then
+    return false
+  end
+  return str:sub(1, #prefix) == prefix
+end
+
+return M

lua/neotest-golang/process.lua

@@ -259,8 +259,14 @@ function M.decorate_with_go_test_results(res, gotest_output)
   for pos_id, test_data in pairs(res) do
     for _, line in ipairs(gotest_output) do
       if
-        test_data.gotest_data.pkg == line.Package
-        and test_data.gotest_data.name == line.Test
+        line.Package == test_data.gotest_data.pkg
+        and (
+          line.Test == test_data.gotest_data.name
+          or lib.string.starts_with(
+            line.Test,
+            test_data.gotest_data.name .. "/"
+          )
+        )
       then
         -- record test status
         if line.Action == "pass" then