error.txt

test #new(TestGnuPlotter)
/Users/maasha/install/src/gnuplotter/test/test_gnuplotter.rb:12:in `block in <class:TestGnuPlotter>'
<"">(UTF-8) expected but was
<"#<GnuPlotter:0x007fc6491d7a88>">(ASCII-8BIT)

diff:
+ #<GnuPlotter:0x007fc6491d7a88>

? Encoding: UTF  -8
?           ASCII  BIT

test.rb

  test "#new" do
    gp = GnuPlotter.new.set(title: "test")
    assert_equal("", gp.to_s)
  end