Tests not giving good error info

How do you run these tests? I see:

julia> @test just_error()
Error During Test at REPL[4]:1
  Test threw exception
  Expression: just_error()
  Just an error. # your error message <------------------
  Stacktrace:
   [1] error(::String) at ./error.jl:33
   [2] just_error() at ./REPL[2]:1
   [3] top-level scope at REPL[4]:1
   [4] eval(::Module, ::Any) at ./boot.jl:331
    ....