Exclude xattr tests for fuse-t

[infeo]

This PR disables xattr tests for FUSE-T in the CI builds.

See #147.

Summary by CodeRabbit

• Tests
  • Enhanced OS-specific test handling for Linux and macOS to ensure mirror setup behaves correctly across platforms.
  • Added environment detection for a specific FUSE library variant and used it to conditionally gate Extended Attributes tests (now disabled in CI when that variant is present).

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[coderabbitai]

📝 Walkthrough

Walkthrough

Detects a libfuse-t dylib and CI environment and conditionally adjusts test setup and gating. Adds public static boolean isFuseTLibAndCIEnvironment() and uses it to apply a MAC mount flag (-ononamedattr), create mirror dirs on Linux/Mac, and disable extended-attributes tests on CI when appropriate.

Changes

Cohort / File(s)	Summary
Test Configuration & Utilities jfuse-tests/src/test/java/org/cryptomator/jfuse/tests/MirrorIT.java	Added public isFuseTLibAndCIEnvironment() method. Adjusted OS-specific mirror setup: Linux creates mirror dir and returns PosixMirrorFileSystem; Mac path now conditionally adds -ononamedattr when isFuseTLibAndCIEnvironment() is true, then creates mirror dir and returns PosixMirrorFileSystem.
Test Gating / Imports jfuse-tests/src/test/java/org/cryptomator/jfuse/tests/MirrorIT.java	Replaced/updated imports: added DisabledIf, removed Set. Extended Extended Attributes test disabling to include DisabledIf that checks isFuseTLibAndCIEnvironment() (in addition to existing DisabledOnOs).

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~12 minutes

Poem

🐇 I sniff the dylib in the night,

If CI hums, I set flags right,
Mac and Linux, mirrors made,
Tests skip gently where they're laid,
A rabbit's tweak — small, sure delight.

🚥 Pre-merge checks | ✅ 2 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (2 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately summarizes the main change: disabling extended attributes tests for fuse-t in CI environments.

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✨ Finishing touches

• 📝 Generate docstrings

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