       xfail: true
     )
 
+    // FIXME: Keep this until _wordIndex and friends are
+#if os(Linux)
     // HTML tags
     matchTest(
       #"<([a-zA-Z][a-zA-Z0-9]*)\b[^>]*>.*?</\1>"#,

      ("aeiou", true),
      ("åe\u{301}ïôú", false))

    matchTest(
      #"abcd\b.+"#,
      ("abcd ef", true),

      ("Sol Cafe", nil), xfail: true)
  }

  // FIXME: Keep this until _wordIndex and friends are
#if os(Linux)
  func testLevel2WordBoundaries() {
    // MARK: Level 2 Word Boundaries
    firstMatchTest(#"\b😊\b"#, input: "🔥😊👍", match: "😊")
