title: Xcode 10.1 Running XCUITest and/or XCTest - Timed out waiting for target to check in
body: <p>I am running Xcode 10.1 on macOS 10.14.4 (Mojave) and is unable to run any form of Test (XCUITest/XCTest) on my simulator. I constantly receive these error messages after the simulator is launched:</p>
  
  <blockquote>
    <p>Assertion Failure: :0: Failure requesting automation session for [My-APP-Bundle-Identifier]:3964: Timed out waiting for
    target to check in.</p>
  </blockquote>
  
  <p>Tried creating a fresh new project and run Test, this error message also occurs.</p>
  
  <p>Debugger Log Output:</p>
  
  <blockquote>
    <ul>
    <li>thread #1, queue = 'com.apple.main-thread', stop reason = signal SIGSTOP   * frame #0: 0x00000001062fb22a
    libsystem_kernel.dylib<code>mach_msg_trap + 10
    frame #1: 0x00000001062fb76c libsystem_kernel.dylib</code>mach_msg + 60
    frame #2: 0x00000001039a11b4 CoreFoundation<code>__CFRunLoopServiceMachPort + 212
    frame #3: 0x000000010399b7e9 CoreFoundation</code>__CFRunLoopRun + 1689
    frame #4: 0x000000010399ae11 CoreFoundation<code>CFRunLoopRunSpecific + 625
    frame #5: 0x000000010a9dc1dd GraphicsServices</code>GSEventRunModal + 62
    frame #6: 0x000000010e6ab81d UIKitCore<code>UIApplicationMain + 140
    frame #7: 0x000000010061f924 KeyMap-DEV</code>main at AppDelegate.swift:21
    frame #8: 0x0000000105fd7575 libdyld.dylib<code>start + 1
    frame #9: 0x0000000105fd7575 libdyld.dylib</code>start + 1   thread #5, name = 'com.apple.uikit.eventfetch-thread'
    frame #0: 0x00000001062fb22a libsystem_kernel.dylib<code>mach_msg_trap + 10
    frame #1: 0x00000001062fb76c libsystem_kernel.dylib</code>mach_msg + 60
    frame #2: 0x00000001039a11b4 CoreFoundation<code>__CFRunLoopServiceMachPort + 212
    frame #3: 0x000000010399b7e9 CoreFoundation</code>__CFRunLoopRun + 1689
    frame #4: 0x000000010399ae11 CoreFoundation<code>CFRunLoopRunSpecific + 625
    frame #5: 0x0000000102a5e322 Foundation</code>-[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 277
    frame #6: 0x0000000102a5e4f4 Foundation<code>-[NSRunLoop(NSRunLoop) runUntilDate:] + 79
    frame #7: 0x000000010e7a2bcb UIKitCore</code>-[UIEventFetcher threadMain] + 118
    frame #8: 0x0000000102a73732 Foundation<code>__NSThread__start__ + 1221
    frame #9: 0x00000001063522eb libsystem_pthread.dylib</code>_pthread_body + 126
    frame #10: 0x0000000106355249 libsystem_pthread.dylib<code>_pthread_start + 66
    frame #11: 0x000000010635140d libsystem_pthread.dylib</code>thread_start + 13   thread #7, name = 'GAIThread'
    frame #0: 0x00000001062fb22a libsystem_kernel.dylib<code>mach_msg_trap + 10
    frame #1: 0x00000001062fb76c libsystem_kernel.dylib</code>mach_msg + 60
    frame #2: 0x00000001039a11b4 CoreFoundation<code>__CFRunLoopServiceMachPort + 212
    frame #3: 0x000000010399b7e9 CoreFoundation</code>__CFRunLoopRun + 1689
    frame #4: 0x000000010399ae11 CoreFoundation<code>CFRunLoopRunSpecific + 625
    frame #5: 0x0000000102a5e322 Foundation</code>-[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 277
    frame #6: 0x0000000102a5e492 Foundation<code>-[NSRunLoop(NSRunLoop) run] + 76
    frame #7: 0x0000000100674a98 KeyMap-DEV</code>+[GAI threadMain:] + 62
    frame #8: 0x0000000102a73732 Foundation<code>__NSThread__start__ + 1221
    frame #9: 0x00000001063522eb libsystem_pthread.dylib</code>_pthread_body + 126
    frame #10: 0x0000000106355249 libsystem_pthread.dylib<code>_pthread_start + 66
    frame #11: 0x000000010635140d libsystem_pthread.dylib</code>thread_start + 13   thread #13
    frame #0: 0x00000001062fcbfe libsystem_kernel.dylib<code>__workq_kernreturn + 10
    frame #1: 0x0000000106351636 libsystem_pthread.dylib</code>_pthread_wqthread + 458
    frame #2: 0x00000001063513fd libsystem_pthread.dylib`start_wqthread + 13</li>
    </ul>
  </blockquote>
  
  <p>Anyone is experiencing this and found a resolution? Thanks!</p>