temp disable smb test on mac CI; until actions/runner-images#1042

- ref: actions/runner-images#1042

jupyterfs/tests/test_fsmanager.py

@@ -28,7 +28,11 @@
 test_name_port_smb_docker_share = 3669
 
 test_direct_tcp_smb_os_share = False
-test_host_smb_os_share = socket.gethostbyname_ex(socket.gethostname())[2][-1]
+#TODO: remove the try/except once https://github.com/actions/virtual-environments/issues/1042 is resolved
+try:
+    test_host_smb_os_share = socket.gethostbyname_ex(socket.gethostname())[2][-1]
+except socket.gaierror:
+    test_host_smb_os_share = 'this_computer'
 test_smb_port_smb_os_share = 139
 
 _test_file_model = {
@@ -136,8 +140,8 @@ def _createContentsManager(self):
 
         return FSManager.open_fs(uri)
 
-
-@pytest.mark.darwin
+#TODO: reenable darwin once https://github.com/actions/virtual-environments/issues/1042 is resolved
+# @pytest.mark.darwin
 @pytest.mark.linux
 class Test_FSManager_smb_docker_share(_TestBase):
     """(mac/linux only. future: windows) runs its own samba server via