Fix for 1.0

Author: DilumAluthge

test/error_path_manager_timeout.jl

@@ -39,7 +39,7 @@ mktempdir() do tmpdir
       expected_inner_ex_INSTANCE = ErrorException("launch_timeout exceeded")
     else
       expected_outer_ex_T = ErrorException
-      expected_inner_ex_INSTANCE = Base.IOError("hello world", 1)
+      expected_inner_ex_INSTANCE = ErrorException("launch_timeout exceeded")
     end
 
     mgr = SlurmClusterManager.SlurmManager(; launch_timeout = 2.0)