gn analyze output:
{
  "compile_targets": [],
  "status": "Found dependency",
  "test_targets": [
    "//llvm/test:check-llvm"
  ]
}
gn analyze input:
{
  "files": [
    "//llvm/test/tools/llvm-remarkutil/Inputs/filter.yaml",
    "//llvm/test/tools/llvm-remarkutil/broken-bitstream-remark-magic.test",
    "//llvm/test/tools/llvm-remarkutil/broken-bitstream-remark.test",
    "//llvm/test/tools/llvm-remarkutil/broken-yaml-remark.test",
    "//llvm/test/tools/llvm-remarkutil/empty-file.test",
    "//llvm/test/tools/llvm-remarkutil/filter.test",
    "//llvm/tools/llvm-remarkutil/CMakeLists.txt",
    "//llvm/tools/llvm-remarkutil/RemarkCounter.cpp",
    "//llvm/tools/llvm-remarkutil/RemarkCounter.h",
    "//llvm/tools/llvm-remarkutil/RemarkFilter.cpp",
    "//llvm/tools/llvm-remarkutil/RemarkUtilHelpers.cpp",
    "//llvm/tools/llvm-remarkutil/RemarkUtilHelpers.h",
    "//llvm/utils/gn/secondary/llvm/tools/llvm-remarkutil/BUILD.gn"
  ],
  "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