Set xattr test to linux only

Summary:
What:
Fix for breaking tests
How:
os.*xattr are linux extended attributes

change target to linux only

Reviewed By: MichaelCuevas

Differential Revision: D65845632

fbshipit-source-id: 4374f4ed974f3bd6bcff2f39bcbcfb8ad01b078b

eden/integration/TARGETS

@@ -629,6 +629,9 @@ python_unittest(
 python_unittest(
     name = "xattr",
     srcs = ["xattr_test.py"],
+    compatible_with = [
+        "ovr_config//os:linux",
+    ],
     env = artifacts["env"],
     supports_static_listing = False,
     runtime_deps = artifacts["deps"],

eden/integration/lib/skip.py

@@ -103,7 +103,7 @@
         ],
         "unixsocket_test.UnixSocketTestHg": True,
         "userinfo_test.UserInfoTest": True,
-        "xattr_test.XattrTestHg": True,
+
         #
         # Test classes from the hg integration test binary
         #
@@ -294,9 +294,6 @@
     # OSError: AF_UNIX path too long
     TEST_DISABLED["unixsocket_test.UnixSocketTest"] = True
 
-    # EdenFS on macOS uses NFSv3, which doesn't support extended attributes.
-    TEST_DISABLED["xattr_test.XattrTest"] = True
-
     # fsck doesn't work on macOS?
     TEST_DISABLED["fsck.basic_snapshot_tests.Basic20210712TestDefault"] = True