diff --git a/lua/neotest-go/init.lua b/lua/neotest-go/init.lua
index 00b6e13..5f20adb 100644
--- a/lua/neotest-go/init.lua
+++ b/lua/neotest-go/init.lua
@@ -185,46 +185,69 @@ function adapter.prepare_results(tree, lines, go_root, go_module)
   local results = {}
   local no_results = vim.tbl_isempty(tests)
   local empty_result_fname
-  local file_id
   empty_result_fname = async.fn.tempname()
   fn.writefile(log, empty_result_fname)
   for _, node in tree:iter_nodes() do
-    local value = node:data()
+    local node_data = node:data()
     if no_results then
-      results[value.id] = {
+      results[node_data.id] = {
         status = test_statuses.fail,
         output = empty_result_fname,
       }
       break
     end
-    if value.type == "file" then
-      results[value.id] = {
-        status = test_statuses.pass,
-        output = empty_result_fname,
-      }
-      file_id = value.id
-    else
-      local normalized_id = utils.normalize_id(value.id, go_root, go_module)
-      local test_result = tests[normalized_id]
-      -- file level node
-      if test_result then
-        local fname = async.fn.tempname()
-        fn.writefile(test_result.output, fname)
-        results[value.id] = {
-          status = test_result.status,
-          short = table.concat(test_result.output, ""),
-          output = fname,
-        }
-        local errors = utils.get_errors_from_test(test_result, utils.get_filename_from_id(value.id))
-        if errors then
-          results[value.id].errors = errors
+
+    if node_data.type ~= "file" then
+      local file_path = node_data.path
+      local file_id = utils.get_filename_from_id(node_data.id)
+      local normalized_node_test_id = utils.normalize_id(node_data.id, go_root, go_module)
+      local node_test_result = tests[normalized_node_test_id]
+
+      if node_test_result then
+        if not results[file_path] then
+          results[file_path] = {
+            status = test_statuses.pass,
+            output = empty_result_fname,
+          }
         end
-        if test_result.status == test_statuses.fail and file_id then
-          results[file_id].status = test_statuses.fail
+
+        local node_fname = async.fn.tempname()
+        fn.writefile(node_test_result.output, node_fname)
+        results[node_data.id] = {
+          status = node_test_result.status,
+          short = table.concat(node_test_result.output, ""),
+          output = node_fname,
+          errors = {},
+        }
+
+        for _, test_result in pairs(tests) do
+          if test_result.parenttestname == normalized_node_test_id then
+            local test_id, _ = utils.normalize_test_name(file_path, test_result.test)
+            local test_fname = async.fn.tempname()
+            fn.writefile(test_result.output, test_fname)
+            results[test_id] = {
+              status = test_result.status,
+              short = table.concat(test_result.output, ""),
+              output = test_fname,
+              errors = {},
+            }
+
+            local errors = utils.get_errors_from_test(test_result, file_id)
+            if errors then
+              for _, error in ipairs(errors) do
+                table.insert(results[node_data.id].errors, error)
+              end
+            end
+
+            if test_result.status == test_statuses.fail then
+              results[file_path].status = test_statuses.fail
+            end
+          end
         end
       end
     end
   end
+
   return results
 end
 
diff --git a/lua/neotest-go/output.lua b/lua/neotest-go/output.lua
index f23ebd9..01543a2 100644
--- a/lua/neotest-go/output.lua
+++ b/lua/neotest-go/output.lua
@@ -14,7 +14,16 @@ local function sanitize_output(output)
   if not output then
     return nil
   end
-  output = output:gsub(patterns.testfile, ""):gsub(patterns.testlog, "")
+
+  for _, pattern in ipairs({
+    patterns.testfile,
+    patterns.testify_assert_file,
+    patterns.testify_callstack_testfile,
+    patterns.testlog,
+  }) do
+    output = output:gsub(pattern, "")
+  end
+
   return output
 end
 
@@ -52,6 +61,8 @@ function M.marshal_gotest_output(lines)
             output = {},
             progress = {},
             file_output = {},
+            parenttestname = parenttestname,
+            test = test,
           }
         end
 
@@ -69,7 +80,7 @@ function M.marshal_gotest_output(lines)
           local sanitized_output = sanitize_output(parsed.Output)
           if sanitized_output and not sanitized_output:match("^%s*$") then
             tests[testname].file_output[testfile][linenumber] = {
-              sanitize_output(parsed.Output),
+              sanitized_output,
             }
           else
             tests[testname].file_output[testfile][linenumber] = {}
@@ -78,6 +89,14 @@ function M.marshal_gotest_output(lines)
 
         -- if we are in the context of a file, collect the logged data
         if testfile and linenumber and utils.is_test_logoutput(parsed.Output) then
+          if not tests[testname].file_output[testfile] then
+            tests[testname].file_output[testfile] = { [linenumber] = {} }
+          end
+
+          if not tests[testname].file_output[testfile][linenumber] then
+            tests[testname].file_output[testfile] = { [linenumber] = {} }
+          end
+
           table.insert(
             tests[testname].file_output[testfile][linenumber],
             sanitize_output(parsed.Output)
diff --git a/lua/neotest-go/patterns.lua b/lua/neotest-go/patterns.lua
index 5987073..c29cd5c 100644
--- a/lua/neotest-go/patterns.lua
+++ b/lua/neotest-go/patterns.lua
@@ -1,7 +1,10 @@
 local patterns = {
   testfile = "^%s%s%s%s(.*_test.go):(%d+): ",
-  testlog = "^%s%s%s%s%s%s%s%s",
-  error = { "error" },
+  testify_assert_error_trace = "%S*Error Trace:%s*.*/(.*_test%.go):(%d+)",
+  testify_assert_error_file = "%S*.*/(.*_test%.go):(%d+)",
+  testifY_callstack_testfile = ".*at:%s*%[(.-_test%.go):(%d+)%]",
+  testlog = "^%s*(%S.*)",
+  error = { "error", "fail" },
 }
 
 return patterns
diff --git a/lua/neotest-go/utils.lua b/lua/neotest-go/utils.lua
index 23beae8..6c5ef27 100644
--- a/lua/neotest-go/utils.lua
+++ b/lua/neotest-go/utils.lua
@@ -67,7 +67,7 @@ end
 ---@param line string
 ---@return boolean
 function utils.is_test_logoutput(line)
-  return line and line:match(patterns.testlog) ~= nil
+  return line and line:match(patterns.testlog)
 end
 
 ---@return string
@@ -133,8 +133,35 @@ end
 ---@return string?, number?
 function utils.get_test_file_info(line)
   if line then
-    local file, linenumber = string.match(line, patterns.testfile)
-    return file, tonumber(linenumber)
+    for _, pattern in ipairs({
+      patterns.testfile,
+      patterns.testify_assert_error_file,
+      patterns.testify_assert_error_trace,
+    }) do
+      local file, linenumber = string.match(line, pattern)
+      if file and linenumber then
+        return file, tonumber(linenumber)
+      end
+    end
+
+    -- testify will sometimes return errors as a callstack with the format
+    -- at: [/some-package/file.go:104 /my-package/my_test.go:933]\n
+    local last_file = nil
+    local last_linenumber = nil
+
+    for callstack in string.gmatch(line, "%[(.-)%]") do
+      for frame in string.gmatch(callstack, "%S+") do
+        local file, linenumber = string.match(frame, "([^/]*._test%.go):(%d+)")
+        if file and linenumber then
+          last_file = file
+          last_linenumber = linenumber
+        end
+      end
+    end
+
+    if last_file and last_linenumber then
+      return last_file, tonumber(last_linenumber)
+    end
   end
   return nil, nil
 end
diff --git a/lua/spec/neotest-go/init_spec.lua b/lua/spec/neotest-go/init_spec.lua
index 10cf3b2..61dc4db 100644
--- a/lua/spec/neotest-go/init_spec.lua
+++ b/lua/spec/neotest-go/init_spec.lua
@@ -116,6 +116,7 @@ describe("discover_positions", function()
         },
       },
     }
+
     assert.are.same(positions, expected_positions)
   end)
   async.it("discovers positions in unit tests in cases_test.go", function()
@@ -126,7 +127,7 @@ describe("discover_positions", function()
         id = vim.loop.cwd() .. "/neotest_go/cases_test.go",
         name = "cases_test.go",
         path = vim.loop.cwd() .. "/neotest_go/cases_test.go",
-        range = { 0, 0, 49, 0 },
+        range = { 0, 0, 69, 0 },
         type = "file",
       },
       {
@@ -183,6 +184,42 @@ describe("discover_positions", function()
           },
         },
       },
+      {
+        {
+          id = vim.loop.cwd() .. "/neotest_go/cases_test.go::TestOuter",
+          name = "TestOuter",
+          path = vim.loop.cwd() .. "/neotest_go/cases_test.go",
+          range = { 50, 0, 52, 1 },
+          type = "test",
+        },
+      },
+      {
+        {
+          id = vim.loop.cwd() .. "/neotest_go/cases_test.go::testAddValues",
+          name = '"testAddValues"',
+          path = vim.loop.cwd() .. "/neotest_go/cases_test.go",
+          range = { 55, 1, 63, 3 },
+          type = "test",
+        },
+        {
+          {
+            id = vim.loop.cwd() .. '/neotest_go/cases_test.go::"testAddValues"::testAdd2',
+            name = '"testAdd2"',
+            path = vim.loop.cwd() .. "/neotest_go/cases_test.go",
+            range = { 56, 2, 58, 4 },
+            type = "test",
+          },
+        },
+        {
+          {
+            id = vim.loop.cwd() .. '/neotest_go/cases_test.go::"testAddValues"::testAdd5',
+            name = '"testAdd5"',
+            path = vim.loop.cwd() .. "/neotest_go/cases_test.go",
+            range = { 60, 2, 62, 4 },
+            type = "test",
+          },
+        },
+      },
     }
 
     assert.are.same(positions, expected_positions)
@@ -202,6 +239,11 @@ describe("prepare_results", function()
         test_file .. "::TestAdd",
         test_file .. "::TestAdd::test_one",
         test_file .. "::TestAdd::test_two",
+        test_file .. "::TestAdd::string",
+        test_file .. "::TestOuter",
+        test_file .. "::TestOuter::testAddValues",
+        test_file .. "::TestOuter::testAddValues::testAdd2",
+        test_file .. "::TestOuter::testAddValues::testAdd5",
         test_file .. "::TestSubtract",
         test_file .. "::TestSubtract::test_one",
         test_file .. "::TestSubtract::test_two",
@@ -228,6 +270,7 @@ describe("prepare_results", function()
       for s in result:gmatch("[^\r\n]+") do
         table.insert(lines, s)
       end
+
       local processed_results = plugin.prepare_results(positions, lines, tests_folder, "neotest_go")
 
       for _, v in pairs(expected_keys) do
diff --git a/neotest_go/cases_test.go b/neotest_go/cases_test.go
index 7c39201..27ac88b 100644
--- a/neotest_go/cases_test.go
+++ b/neotest_go/cases_test.go
@@ -47,3 +47,23 @@ func TestAdd(t *testing.T) {
 		assert.Equal(t, 3, add(1, 2))
 	})
 }
+
+func TestOuter(t *testing.T) {
+	testInnerHelper(t)
+}
+
+func testInnerHelper(t *testing.T) {
+	t.Run("testAddValues", func(t *testing.T) {
+		t.Run("testAdd2", func(t *testing.T) {
+			testAddValues(t, 1, 2)
+		})
+
+		t.Run("testAdd5", func(t *testing.T) {
+			testAddValues(t, 0, 5)
+		})
+	})
+}
+
+func testAddValues(t *testing.T, want, num int) {
+	assert.Equal(t, want, addOne(num))
+}