gn analyze output:
{
  "compile_targets": [],
  "status": "Found dependency",
  "test_targets": [
    "//clang/test:check-clang",
    "//lld/test:check-lld",
    "//llvm/test:check-llvm"
  ]
}
gn analyze input:
{
  "files": [
    "//libc/src/__support/macros/properties/architectures.h",
    "//libcxx/include/__config",
    "//libcxx/include/limits",
    "//libcxx/src/random.cpp",
    "//libcxx/test/std/language.support/support.limits/limits/numeric.limits.members/traps.pass.cpp",
    "//llvm/tools/llvm-readobj/ELFDumper.cpp"
  ],
  "test_targets": [
    "//clang-tools-extra/clangd/test:check-clangd",
    "//clang-tools-extra/test:check-clang-tools",
    "//clang/test:check-clang",
    "//compiler-rt/test/hwasan:check-hwasan",
    "//lld/test:check-lld",
    "//llvm/test:check-llvm"
  ],
  "additional_compile_targets": []
}
running all tests due to change to blacklisted file