Update error_path_intentionally_fail.jl

Author: DilumAluthge

test/error_path_intentionally_fail.jl

@@ -30,7 +30,7 @@ mktempdir() do tmpdir
     expected_inner_ex_INSTANCE = Base.IOError("write: broken pipe (EPIPE)", -32)
 
     mgr = SlurmClusterManager.SlurmManager()
-    test_result = @test_throws expected_outer_ex_T Distributed.addprocs(mgr)
+    test_result = @test_throws expected_inner_ex_INSTANCE Distributed.addprocs(mgr)
 
     cfg = ConfigForTestingTaskFailedException(;
       expected_outer_ex_T=expected_outer_ex_T,