$ pwd
/Users/aaclarke/dev/engine/src/flutter/testing/scenario_app

$ ./run_ios_tests.sh

...

Ld /Users/aaclarke/Library/Developer/Xcode/DerivedData/Scenarios-dcqujcrcqoznnxbluizoupsfrdtf/Build/Products/Debug-iphonesimulator/Scenarios.app/Scenarios normal (in target 'Scenarios' from project 'Scenarios')
    cd /Users/aaclarke/dev/engine/src/out/ios_debug_sim_unopt/scenario_app/Scenarios
    /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -target arm64-apple-ios12.0-simulator -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator16.1.sdk -L/Users/aaclarke/Library/Developer/Xcode/DerivedData/Scenarios-dcqujcrcqoznnxbluizoupsfrdtf/Build/Intermediates.noindex/EagerLinkingTBDs -L/Users/aaclarke/Library/Developer/Xcode/DerivedData/Scenarios-dcqujcrcqoznnxbluizoupsfrdtf/Build/Products/Debug-iphonesimulator -F/Users/aaclarke/Library/Developer/Xcode/DerivedData/Scenarios-dcqujcrcqoznnxbluizoupsfrdtf/Build/Intermediates.noindex/EagerLinkingTBDs -F/Users/aaclarke/Library/Developer/Xcode/DerivedData/Scenarios-dcqujcrcqoznnxbluizoupsfrdtf/Build/Products/Debug-iphonesimulator -F/Users/aaclarke/dev/engine/src/out/ios_debug_sim_unopt/scenario_app/Scenarios -filelist /Users/aaclarke/Library/Developer/Xcode/DerivedData/Scenarios-dcqujcrcqoznnxbluizoupsfrdtf/Build/Intermediates.noindex/Scenarios.build/Debug-iphonesimulator/Scenarios.build/Objects-normal/arm64/Scenarios.LinkFileList -Xlinker -rpath -Xlinker @executable_path/Frameworks -dead_strip -Xlinker -object_path_lto -Xlinker /Users/aaclarke/Library/Developer/Xcode/DerivedData/Scenarios-dcqujcrcqoznnxbluizoupsfrdtf/Build/Intermediates.noindex/Scenarios.build/Debug-iphonesimulator/Scenarios.build/Objects-normal/arm64/Scenarios_lto.o -Xlinker -export_dynamic -Xlinker -no_deduplicate -Xlinker -objc_abi_version -Xlinker 2 -fobjc-arc -fobjc-link-runtime -Xlinker -sectcreate -Xlinker __TEXT -Xlinker __entitlements -Xlinker /Users/aaclarke/Library/Developer/Xcode/DerivedData/Scenarios-dcqujcrcqoznnxbluizoupsfrdtf/Build/Intermediates.noindex/Scenarios.build/Debug-iphonesimulator/Scenarios.build/Scenarios.app-Simulated.xcent -Xlinker -sectcreate -Xlinker __TEXT -Xlinker __ents_der -Xlinker /Users/aaclarke/Library/Developer/Xcode/DerivedData/Scenarios-dcqujcrcqoznnxbluizoupsfrdtf/Build/Intermediates.noindex/Scenarios.build/Debug-iphonesimulator/Scenarios.build/Scenarios.app-Simulated.xcent.der -framework App -framework Flutter -Xlinker -no_adhoc_codesign -Xlinker -dependency_info -Xlinker /Users/aaclarke/Library/Developer/Xcode/DerivedData/Scenarios-dcqujcrcqoznnxbluizoupsfrdtf/Build/Intermediates.noindex/Scenarios.build/Debug-iphonesimulator/Scenarios.build/Objects-normal/arm64/Scenarios_dependency_info.dat -o /Users/aaclarke/Library/Developer/Xcode/DerivedData/Scenarios-dcqujcrcqoznnxbluizoupsfrdtf/Build/Products/Debug-iphonesimulator/Scenarios.app/Scenarios
ld: warning: ignoring file /Users/aaclarke/dev/engine/src/out/ios_debug_sim_unopt/scenario_app/Scenarios/App.framework/App, building for iOS Simulator-arm64 but attempting to link with file built for iOS Simulator-x86_64
ld: warning: ignoring file /Users/aaclarke/Library/Developer/Xcode/DerivedData/Scenarios-dcqujcrcqoznnxbluizoupsfrdtf/Build/Products/Debug-iphonesimulator/Flutter.framework/Flutter, building for iOS Simulator-arm64 but attempting to link with file built for iOS Simulator-x86_64