CLAUDE_CODE_TEST_FIXTURES_ROOT

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CLAUDE_CODE_TEST_FIXTURES_ROOT is a Claude Code environment variable: Root directory for test fixtures. Present since v2.1.69 or earlier and still present in v2.1.294. It is not in the official reference.

StatusPresent in v2.1.294
AddedPresent since v2.1.69 or earlier
CategoryOther
Official docsNot listed

How to set it

For one session, export it in the shell that starts Claude Code:

export CLAUDE_CODE_TEST_FIXTURES_ROOT=<value>
claude

To apply it to every session, add it to the env object of a settings file:

// ~/.claude/settings.json
{
  "env": {
    "CLAUDE_CODE_TEST_FIXTURES_ROOT": "<value>"
  }
}

Release notes that mention it

Related variables

Frequently asked questions

What does CLAUDE_CODE_TEST_FIXTURES_ROOT do?

Root directory for test fixtures

Which Claude Code version has CLAUDE_CODE_TEST_FIXTURES_ROOT?

Present since v2.1.69 or earlier and still present in v2.1.294.

How do I set CLAUDE_CODE_TEST_FIXTURES_ROOT?

Export it before starting Claude Code (export CLAUDE_CODE_TEST_FIXTURES_ROOT=value), or add it to the "env" object in ~/.claude/settings.json to apply it to every session.

All variables, searchable: Claude Code environment variables.