Ruby

[ruby/prism] Fix visitor in desugar test

• The #visit method is no longer called for every node since 2e6baa3.
• As a consequence EnsureEveryNodeOnceInAST was only visiting ProgramNode
  for visitor.visit(ast) and no nodes at all for ast.accept(visitor).

https://github.com/ruby/prism/commit/683513620a