Unit Tests around iOS SDK crash with missing bundle.

Description of the issues. Unit test suite around my flight code crashes. I have the DJI SDK installed via cocoapods into a library that my app consumes. This library has a suite of unit tests around my flight planning and control code. Those unit tests now crash randomly, with the stack trace provided below. Every time the crash happens, I see two queues, com.dji.flysafe.applimitdb and com.dji.flysafe.djiflightlimitdb operating. It seems as if those operations are getting started during my unit tests when I touch the DJISDKManager, and are failing to load a bundle that they need?

I have already tried putting the SDK manager into 'local data mode' for the tests, but it seemingly doesn't stop the queue from running.

My Podfile is pretty standard for this lib and tests:

 target 'FlightLibrary' do
    project './core/FlightLibrary/FlightLibrary.xcodeproj'
    basePods
    pod 'DJI-SDK-iOS', '~> 4.5.1'
    target 'FlightLibraryTests' do
        inherit! :search_paths
        testPods
end

Steps to reproduce the bug or crash issues: Install podfile, run tests. Different tests are interrupted each time by this crash and report as failing.
Crash logs:

2018-05-17 11:37:38.825662-0500 xctest[38291:1047272] Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: ' -[NSBundle initWithURL:]: nil URL argument' *** First throw call stack: ( 0 CoreFoundation 0x0000000109ed21e6 __exceptionPreprocess + 294 1 libobjc.A.dylib 0x000000010916d031 objc_exception_throw + 48 2 CoreFoundation 0x0000000109f47975 +[NSException raise:format:] + 197 3 Foundation 0x00000001089ffdbd -[NSBundle initWithURL:] + 87 4 Foundation 0x00000001089ffd53 +[NSBundle bundleWithURL:] + 45 5 DJISDK 0x0000000124312d59 GlobalAreaRadiusFetch + 15083 6 libdispatch.dylib 0x0000000110620779 _dispatch_client_callout + 8 7 libdispatch.dylib 0x00000001106265dd _dispatch_continuation_pop + 500 8 libdispatch.dylib 0x000000011062f2f7 _dispatch_source_invoke + 1578 9 libdispatch.dylib 0x0000000110627ffd _dispatch_queue_serial_drain + 298 10 libdispatch.dylib 0x00000001106289af _dispatch_queue_invoke + 321 11 libdispatch.dylib 0x000000011062acf8 _dispatch_root_queue_drain + 473 12 libdispatch.dylib 0x000000011062aac1 _dispatch_worker_thread3 + 119 13 libsystem_pthread.dylib 0x0000000110b3c169 _pthread_wqthread + 1387 14 libsystem_pthread.dylib 0x0000000110b3bbe9 start_wqthread + 13 )

DJI iOS SDK version: iOS SDK 4.5.1
DJI Product you are using: N/A, happens during unit test
iOS system version you are using iOS 11.3
iOS device type you are using: Simulator
Xcode version you are using Xcode 9.3

dji-sdk / Mobile-SDK-iOS

Unit Tests around iOS SDK crash with missing bundle. #255