Change test so the output isn't hidden

Author: gbaraldi

test/cmdlineargs.jl

@@ -1136,9 +1136,9 @@ end
 # test --bug-report=rr
 if Sys.islinux() && Sys.ARCH in (:i686, :x86_64) # rr is only available on these platforms
     mktempdir() do temp_trace_dir
-        @test success(pipeline(setenv(`$(Base.julia_cmd()) --bug-report=rr-local -e 'exit()'`,
+        @test success(run(pipeline(setenv(`$(Base.julia_cmd()) --bug-report=rr-local -e 'exit()'`,
                                       "JULIA_RR_RECORD_ARGS" => "-n --nested=ignore",
-                                      "_RR_TRACE_DIR" => temp_trace_dir); #=stderr, stdout=#))
+                                      "_RR_TRACE_DIR" => temp_trace_dir); #=stderr, stdout=#)))
     end
 end