circt/test/Dialect/FIRRTL/SFCTests/directories.fir.sitestblackboxes.anno.json

[
  {
    "class": "sifive.enterprise.firrtl.SitestBlackBoxAnnotation",
    "filename": "design.sitest.json"
  },
  {
    "class": "sifive.enterprise.firrtl.SitestTestHarnessBlackBoxAnnotation",
    "filename": "testbench.sitest.json"
  }
]