daemon_test.dart failing in Mac_arm64 tool_tests_commands

This test started failing aligned with when you removed Rosetta from the bots:

https://b.corp.google.com/issues/537049948, https://b.corp.google.com/issues/537616168

https://ci.chromium.org/ui/p/flutter/builders/try/Mac_arm64%20tool_tests_commands?limit=200

https://ci.chromium.org/ui/p/flutter/builders/prod/Mac_arm64%20tool_tests_commands?limit=200

08:23 +718 ~4: /Volumes/Work/s/w/ir/x/w/flutter/packages/flutter_tools/test/commands.shard/hermetic/daemon_test.dart: daemon emulator.getEmulators should respond with list
Expected: <Instance of 'List'>
  Actual: <null>
   Which: is not an instance of 'List'

#0      fail (package:matcher/src/expect/expect.dart:187:31)
#1      _expect (package:matcher/src/expect/expect.dart:182:3)
#2      expect (package:matcher/src/expect/expect.dart:65:3)
#3      main.<anonymous closure>.<anonymous closure> (file:///Volumes/Work/s/w/ir/x/w/flutter/packages/flutter_tools/test/commands.shard/hermetic/daemon_test.dart:741:7)
<asynchronous suspension>
#4      testUsingContext.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///Volumes/Work/s/w/ir/x/w/flutter/packages/flutter_tools/test/src/context.dart:149:32)
<asynchronous suspension>
#5      AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:154:19)
<asynchronous suspension>
#6      testUsingContext.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///Volumes/Work/s/w/ir/x/w/flutter/packages/flutter_tools/test/src/context.dart:138:28)
<asynchronous suspension>

08:23 +718 ~4 -1: /Volumes/Work/s/w/ir/x/w/flutter/packages/flutter_tools/test/commands.shard/hermetic/daemon_test.dart: daemon emulator.getEmulators should respond with list [E]
  Expected: <Instance of 'List'>
    Actual: <null>
     Which: is not an instance of 'List'

Guess about what's going on:
Mac_arm64 tool_tests_commands uses the android_sdk version:36v9unmodified, download here

flutter/.ci.yaml

Line 5087 in ef87dc1

{"dependency": "android_sdk", "version": "version:36v9unmodified"},

The daemon test is checking for all emulators. Android emulator discovery uses emulator

flutter/packages/flutter_tools/lib/src/android/android_sdk.dart

Lines 267 to 270 in ef87dc1

    
           final binaryName = globals.platform.isWindows ? 'emulator.exe' : 'emulator'; 
        
           // Emulator now lives inside "emulator" but used to live inside "tools" so 
        
           // try both. 
        
           final searchFolders = <String>['emulator', 'tools'];

And emulator in that cipd package is not built for ARM. Instructions for updating that cipd packages are here.

sdk/tools/emulator: x86_64
sdk/tools/emulator-check: x86_64

I bet it's throwing a ProcessException.

Skip emulator.getEmulators test (flutter#189879)

[CP-stable] Skip emulator.getEmulators test (#189879) (#189887)

[CP-beta] Skip emulator.getEmulators test (#189879) (#189888)

I figure this can probably be closed now that
#189962
merged, which updated the android_sdk dep and also re-enabled the test.

looks like it's passing on post submits post merge https://ci.chromium.org/ui/p/flutter/builders/prod/Mac_arm64%20tool_tests_commands/13544/overview
but will not close myself in case there's more here I don't understand due to limited ios/mac knowledge

@gmackall

Thanks for sorting this out @gmackall! To be safe, let's wait to close until we re-roll the Rosetta removal on the bots and verify. This is happening as we speak.

[CP-beta] Remove ancient `tools:tools` dep from `android_sdk` bundle (#…

[CP-stable] Remove ancient tools:tools dep from android_sdk bundle (#…

This is fixed now.

[CP-stable] Skip emulator.getEmulators test (flutter#189879) (flutter…

[CP-stable] Remove ancient tools:tools dep from android_sdk bundle (f…

This thread has been automatically locked since there has not been any recent activity after it was closed. If you are still experiencing a similar issue, please open a new bug, including the output of flutter doctor -v and a minimal reproduction of the issue.

[CP-beta] Skip emulator.getEmulators test (#189879) (#189888)

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daemon_test.dart failing in Mac_arm64 tool_tests_commands #189876

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	final binaryName = globals.platform.isWindows ? 'emulator.exe' : 'emulator';
	// Emulator now lives inside "emulator" but used to live inside "tools" so
	// try both.
	final searchFolders = <String>['emulator', 'tools'];

daemon_test.dart failing in Mac_arm64 tool_tests_commands #189876

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jmagman commented on Jul 22, 2026

gmackall commented on Jul 24, 2026

cbracken commented on Jul 28, 2026

cbracken commented on Aug 10, 2026

github-actions commented on Aug 24, 2026

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