XCTest, Failed to load test bundle. Crash on test launch

user_209867 0
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In Xcode 9.1, I added a Unit Test Target to an older project and I'm not able to get tests to run. The target crashes on launch with the following error in the console:

The bundle “XXXTests” couldn’t be loaded because it doesn’t contain a version for the current architecture*

Full output:

2017-11-15 11:52:40.973 XXX[54962:16511010] Failed to load test bundle from file:///Users/XXX/Library/Developer/Xcode/DerivedData/XXX-gaxtmzjadfkxzsdciqnpmyczgntj/Build/Products/DEV-iphonesimulator/XXX.app/PlugIns/XXXTests.xctest/: Error Domain=NSCocoaErrorDomain Code=3585 "dlopen_preflight(/Users/XXX/Library/Developer/Xcode/DerivedData/XXX-gaxtmzjadfkxzsdciqnpmyczgntj/Build/Products/DEV-iphonesimulator/XXX.app/PlugIns/XXXTests.xctest/XXXTests): no suitable image found. Did find: /Users/XXX/Library/Developer/Xcode/DerivedData/XXX-gaxtmzjadfkxzsdciqnpmyczgntj/Build/Products/DEV-iphonesimulator/XXX.app/PlugIns/XXXTests.xctest/XXXTests: mach-o, but wrong architecture" UserInfo={NSLocalizedRecoverySuggestion=Try installing a universal version of the bundle., NSFilePath=/Users/XXX/Library/Developer/Xcode/DerivedData/XXX-gaxtmzjadfkxzsdciqnpmyczgntj/Build/Products/DEV-iphonesimulator/XXX.app/PlugIns/XXXTests.xctest/XXXTests, NSLocalizedFailureReason=The bundle doesn’t contain a version for the current architecture., NSLocalizedDescription=The bundle “XXXTests” couldn’t be loaded because it doesn’t contain a version for the current architecture., NSDebugDescription=dlopen_preflight(/Users/XXX/Library/Developer/Xcode/DerivedData/XXX-gaxtmzjadfkxzsdciqnpmyczgntj/Build/Products/DEV-iphonesimulator/XXX.app/PlugIns/XXXTests.xctest/XXXTests): no suitable image found. Did find: /Users/XXX/Library/Developer/Xcode/DerivedData/XXX-gaxtmzjadfkxzsdciqnpmyczgntj/Build/Products/DEV-iphonesimulator/XXX.app/PlugIns/XXXTests.xctest/XXXTests: mach-o, but wrong architecture, NSBundlePath=/Users/XXX/Library/Developer/Xcode/DerivedData/XXX-gaxtmzjadfkxzsdciqnpmyczgntj/Build/Products/DEV-iphonesimulator/XXX.app/PlugIns/XXXTests.xctest} (And then some diagnostic output that I didn't include)

Stuff I've checked after extensively googling:

  • Build Active Architecture Only setting is consistent across the app and test targets (With a value of Yes)
  • Enable Testability is set to Yes for the main target
  • I've deleted the target and started over, no luck

How do I fix this?

xctest xcode ios
8 Answers

Make sure iOS Deployment target fields of your application target and test target are the same

user_30040030

It happened to me when updating the Xcode version from 9.3 to 10. In my case, deleted the DerivedData, then the unit test works.

user_41445810

I had the same error. And for me what it worked was the following:

  • Select your test on the PROJECT NAVIGATOR
  • on the right side, in FILE INSPECTOR choose the Target Membership, in this case your test target.
user_105871440

In my case, The Team under Signing & Capabilities were different for both Target Membership

making the Team same for all Target Membership solved the issue for me.

user_122454360

In my case, I had Mac version of OCMock.frameworked in Link Binary with Libraries build phrase for an iOS project.

Removing it solved the issue for me.

user_47013780
user_33533230

run with another ios11 device solve the problem

user_44606690
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