gn analyze output:
{
  "compile_targets": [],
  "status": "Found dependency",
  "test_targets": [
    "//clang-tools-extra/clangd/test:check-clangd",
    "//clang-tools-extra/test:check-clang-tools",
    "//clang/test:check-clang",
    "//lld/test:check-lld",
    "//llvm/test:check-llvm"
  ]
}
gn analyze input:
{
  "files": [
    "//clang/include/clang/Basic/Module.h",
    "//clang/include/clang/Lex/Preprocessor.h",
    "//clang/lib/Basic/Module.cpp",
    "//clang/lib/Lex/PPLexerChange.cpp",
    "//clang/lib/Lex/Preprocessor.cpp",
    "//clang/test/Modules/local-submodule-visibility-transitive-import.c",
    "//libcxx/include/__atomic/atomic.h",
    "//libcxx/test/libcxx/atomics/atomics.types.operations/atomics.types.operations.req/atomic_fetch_add.verify.cpp",
    "//libcxx/test/libcxx/atomics/atomics.types.operations/atomics.types.operations.req/atomic_fetch_add_explicit.verify.cpp",
    "//libcxx/test/libcxx/atomics/atomics.types.operations/atomics.types.operations.req/atomic_fetch_sub.verify.cpp",
    "//libcxx/test/libcxx/atomics/atomics.types.operations/atomics.types.operations.req/atomic_fetch_sub_explicit.verify.cpp",
    "//libcxx/test/std/atomics/types.pass.cpp",
    "//lldb/source/API/CMakeLists.txt",
    "//llvm/lib/Target/RISCV/Disassembler/RISCVDisassembler.cpp",
    "//llvm/utils/gn/secondary/libcxx/include/BUILD.gn"
  ],
  "test_targets": [
    "//clang-tools-extra/clangd/test:check-clangd",
    "//clang-tools-extra/test:check-clang-tools",
    "//clang/test:check-clang",
    "//lld/test:check-lld",
    "//llvm/test:check-llvm"
  ],
  "additional_compile_targets": []
}
running all tests due to change to blacklisted file