Disable test_unistd_unlink_wasmfs_rawfs on mac (#23856)

Author: dschuff

test/test_core.py

@@ -5985,15 +5985,16 @@ def test_unistd_sysconf_phys_pages(self):
     self.do_runf(filename, str(expected) + ', errno: 0')
 
   @no_windows('https://github.com/emscripten-core/emscripten/issues/8882')
+  @crossplatform
   @with_all_fs
   def test_unistd_unlink(self):
     # symlinks on node.js on non-linux behave differently (e.g. on Windows they require administrative privileges)
     # so skip testing those bits on that combination.
+    if MACOS and any(arg in self.emcc_args for arg in ('-DNODEFS', '-DNODERAWFS')):
+      self.skipTest('only tested on linux')
     if '-DNODEFS' in self.emcc_args:
       if WINDOWS:
         self.emcc_args += ['-DNO_SYMLINK=1']
-      if MACOS:
-        self.skipTest('only tested on linux')
       if self.get_setting('WASMFS'):
         self.skipTest('https://github.com/emscripten-core/emscripten/issues/18112')