test fixed

Author: BioTurboNick

stdlib/REPL/test/repl.jl

@@ -1367,21 +1367,34 @@ fake_repl() do stdin_write, stdout_read, repl
     repltask = @async begin
         REPL.run_repl(repl)
     end
+    # initialize `err` to `nothing`
+    write(stdin_write, "global err = nothing\n")
+    readline(stdout_read)
+    readline(stdout_read) == "\e[0m"
+    readuntil(stdout_read, "julia> ", keep=true)
+    # generate top-level error
     write(stdin_write, "foobar\n")
     readline(stdout_read)
     @test readline(stdout_read) == "\e[0mERROR: UndefVarError: foobar not defined"
     @test readline(stdout_read) == ""
     readuntil(stdout_read, "julia> ", keep=true)
+    # check that top-level error did not change `err`
     write(stdin_write, "err\n")
     readline(stdout_read)
-    @test readline(stdout_read) == "\e[0mERROR: UndefVarError: err not defined"
+    @test readline(stdout_read) == "\e[0m"
     readuntil(stdout_read, "julia> ", keep=true)
+    # generate deeper error
     write(stdin_write, "foo() = foobar\n")
     readline(stdout_read)
     readuntil(stdout_read, "julia> ", keep=true)
     write(stdin_write, "foo()\n")
     readline(stdout_read)
+    @test readline(stdout_read) == "\e[0mERROR: UndefVarError: foobar not defined"
+    readuntil(stdout_read, "julia> ", keep=true)
+    # check that deeper error did set `err`
+    write(stdin_write, "err\n")
+    readline(stdout_read)
     @test readline(stdout_read) == "\e[0m1-element ExceptionStack:"
-    @test readline(stdout_read) == "ERROR: UndefVarError: foobar not defined"
+    @test readline(stdout_read) == "UndefVarError: foobar not defined"
     @test readline(stdout_read) == "Stacktrace:"
 end