Extracting common methods into helper.

test/test_modelines.rb

@@ -3,15 +3,6 @@ require_relative "./helper"
 class TestModelines < Minitest::Test
   include Linguist
 
-  def fixtures_path
-    File.expand_path("../fixtures", __FILE__)
-  end
-
-  def fixture_blob(name)
-    name = File.join(fixtures_path, name) unless name =~ /^\//
-    FileBlob.new(name, fixtures_path)
-  end
-
   def assert_modeline(language, blob)
     assert_equal language, Linguist::Strategy::Modeline.call(blob).first
   end