Comment out test. See #363.

test/test_page_revert.rb

@@ -11,6 +11,8 @@ context "Page Reverting" do
     FileUtils.rm_rf(@path)
   end
 
+=begin
+  # Grit is broken and this test fails often. See #363.
   test "reverts single commit" do
     page1 = @wiki.page("B")
     sha   = @wiki.revert_commit('7c45b5f16ff3bae2a0063191ef832701214d4df5')
@@ -20,8 +22,6 @@ context "Page Reverting" do
     assert_equal body, File.read(File.join(@path, "B.md")).strip
   end
 
-=begin
-  # Grit is broken and this test fails often. See #363.
   test "reverts single commit for a page" do
     page1 = nil
     while (page1 == nil)