title: Xcodebuild: [MT] IDETestOperationsObserverDebug
body: <p>I try to run my test on a iphonesimulator with Xcodebuild but I get always the same errors.</p>
  
  <p>My command line:</p>
  
  <pre><code>xcodebuild clean test -workspace App.xcworkspace -scheme "UI Tests" -sdk iphonesimulator -destination 'platform=iOS Simulator,name=iPhone 6,OS=9.2'
  </code></pre>
  
  <p>The stacktrace: </p>
  
  <pre><code>xcodebuild[31826:741511] [MT] IDETestOperationsObserverDebug: (796137A0-CB6A-490D-BF89-767DF586BE26) Beginning test session 796137A0-CB6A-490D-BF89-767DF586BE26 with Xcode 7C68 on target &lt;DVTiPhoneSimulator: 0x7fef34dce060&gt; {
          SimDevice: SimDevice : iPhone 6 (ED6BBC90-CCD7-4AFE-ABBD-AFAE28B7EEC7) : state={ Booted } deviceType={ SimDeviceType : com.apple.CoreSimulator.SimDeviceType.iPhone-6 } runtime={ SimRuntime : 9.2 (13C75) - com.apple.CoreSimulator.SimRuntime.iOS-9-2 }
  } (9.2 (13C75))
  2016-02-22 13:07:10.489 XCTRunner[32908:746212] Running tests...
  2016-02-22 13:07:10.490 XCTRunner[32908:746212] Looking for test bundles in /Users/me/Library/Developer/CoreSimulator/Devices/ED6BBC90-CCD7-4AFE-ABBD-AFAE28B7EEC7/data/Containers/Bundle/Application/2D77EC0A-85FA-4C8B-BC62-27334E6278C5/UITests-Runner.app/PlugIns
  2016-02-22 13:07:10.491 XCTRunner[32908:746212] Found test bundle at /Users/me/Library/Developer/CoreSimulator/Devices/ED6BBC90-CCD7-4AFE-ABBD-AFAE28B7EEC7/data/Containers/Bundle/Application/2D77EC0A-85FA-4C8B-BC62-27334E6278C5/UITests-Runner.app/PlugIns/UITests.xctest
  2016-02-22 13:07:10.492 XCTRunner[32908:746212] Looking for configurations in /Users/me/Library/Developer/CoreSimulator/Devices/ED6BBC90-CCD7-4AFE-ABBD-AFAE28B7EEC7/data/Containers/Bundle/Application/2D77EC0A-85FA-4C8B-BC62-27334E6278C5/UITests-Runner.app/PlugIns/UITests.xctest
  2016-02-22 13:07:10.494 XCTRunner[32908:746212] Found configuration &lt;XCTestConfiguration: 0x7fd750623340&gt;
                        testBundleURL:file:///Users/me/Library/Developer/Xcode/DerivedData/App-axxxxxxxxxxx/Build/Products/Debug-iphonesimulator/UITests-Runner.app/PlugIns/UITests.xctest/
                    productModuleName:UITests
                          testsToSkip:UITests/test_App()
                           testsToRun:(null)
                   reportResultsToIDE:YES
                    sessionIdentifier:&lt;__NSConcreteUUID 0x7fd750626d10&gt; 796137A0-CB6A-490D-BF89-767DF586BE26
           pathToXcodeReportingSocket:(null)
            disablePerformanceMetrics:no
      treatMissingBaselinesAsFailures:no
                      baselineFileURL:(null)
                targetApplicationPath:/Users/me/Library/Developer/Xcode/DerivedData/App-axxxxxxxxxxxxxx/Build/Products/Debug-iphonesimulator/App.app
            targetApplicationBundleID:de.xxxxx
                     reportActivities:YES
             testsMustRunOnMainThread:YES
  13:07:10.629 XCTRunner[32908:746223] _XCT_testBundleReadyWithProtocolVersion:minimumVersion: reply received
  13:07:10.635 XCTRunner[32908:746221] _IDE_startExecutingTestPlanWithProtocolVersion:16
  2016-02-22 13:07:10.992 XCTRunner[32908:746212] Continuing to run tests in the background with task ID 1
  Test Suite 'Selected tests' started at 2016-02-22 13:07:11.557
  Test Suite 'UITests.xctest' started at 2016-02-22 13:07:11.558
  Test Suite 'UITests.xctest' passed at 2016-02-22 13:07:11.558.
       Executed 0 tests, with 0 failures (0 unexpected) in 0.000 (0.000) seconds
  ** TEST FAILED **
  </code></pre>
  
  <p>When I call the test direct on Xcode, I have any problems. </p>
  
  <p>Any ideas?
  Thank for helping.</p>
  
  <p>Cheers.</p>