Silence noisy test in test/cmdlineargs.jl

Author: giordano

test/cmdlineargs.jl

@@ -145,12 +145,16 @@ end
 
 let exename = `$(Base.julia_cmd()) --startup-file=no --color=no`
     # tests for handling of ENV errors
-    let v = writereadpipeline(
-            "println(\"REPL: \", @which(less), @isdefined(InteractiveUtils))",
-            setenv(`$exename -i -E '@assert isempty(LOAD_PATH); push!(LOAD_PATH, "@stdlib"); @isdefined InteractiveUtils'`,
-                    "JULIA_LOAD_PATH" => "",
-                    "JULIA_DEPOT_PATH" => ";:",
-                    "HOME" => homedir()))
+    let
+        # Redirect stderr to devnull until the test is broken
+        redirect_stderr(devnull) do
+            v = writereadpipeline(
+                "println(\"REPL: \", @which(less), @isdefined(InteractiveUtils))",
+                setenv(`$exename -i -E '@assert isempty(LOAD_PATH); push!(LOAD_PATH, "@stdlib"); @isdefined InteractiveUtils'`,
+                       "JULIA_LOAD_PATH" => "",
+                       "JULIA_DEPOT_PATH" => ";:",
+                       "HOME" => homedir()))
+        end
         # @which is undefined
         @test_broken v == ("false\nREPL: InteractiveUtilstrue\n", true)
     end