---
title: "SenTestCase: XCBuildLogCommandInvocationSection error in XCode 3.2"
kind: article
slug: sentestcase-xcbuildlogcommandinvocationsection-error-in-xcode-32
created_at: 2010-10-12
tags:
  - iphone
  - sdk
  - xcode
---
Today I wanted to add some unit tests to an iPhone project I'm working on. I came across the following error when trying to run my tests:

    An internal error occurred when handling command output: -[XCBuildLogCommandInvocationSection setTestsPassedString:]: unrecognized selector sent to instance 0x2017a22a0
    An internal error occurred when handling command output: -[XCBuildLogCommandInvocationSectionRecorder endMarker]: unrecognized selector sent to instance 0x201719b60
~
It appears there's a bug in XCode somewhere that prevents unit tests to run
(yeah, I know, there should be tests for that at Apple). Anyway, you can
easily fix this.

Double-click on _Run Script_ for your testing target. Replace

    "${SYSTEM_DEVELOPER_DIR}/Tools/RunUnitTests"

with

    "${SYSTEM_DEVELOPER_DIR}/Tools/RunUnitTests" 1> /tmp/RunUnitTests.out

Now, build your test target again and you should be good to go.