[position-try-tree-scoped.html]
  [@position-try from same scope as ::part() rule]
    expected: FAIL

  [Outer position-try-fallbacks matches @position-try in document scope]
    expected: FAIL

  [Inner position-try-fallbacks matches @position-try in document scope]
    expected: FAIL

  [Inner position-try-fallbacks matches @position-try in #outer_host scope]
    expected: FAIL