Fix typo in test name: s/highligth/highlight/ (#29440).

Patch by Go MAEDA.


git-svn-id: http://svn.redmine.org/redmine/trunk@17477 e93f8b46-1217-0410-a6f0-8f06a7374b81

test/unit/lib/redmine/wiki_formatting/markdown_formatter_test.rb

@@ -58,7 +58,7 @@ class Redmine::WikiFormatting::MarkdownFormatterTest < ActionView::TestCase
     assert_include 'version:"1.0"', @formatter.new(text).to_html
   end
 
-  def test_should_support_syntax_highligth
+  def test_should_support_syntax_highlight
     text = <<-STR
 ~~~ruby
 def foo