gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//lldb/packages/Python/lldbsuite/test/lldbtest.py",
    "//lldb/packages/Python/lldbsuite/test/lldbutil.py",
    "//lldb/test/API/driver/longpath/TestLongPathDriver.py",
    "//lldb/test/API/functionalities/longpath/TestLongPath.py",
    "//lldb/test/API/tools/lldb-dap/longpath/TestDAP_launch_longPath.py",
    "//lldb/test/Shell/helper/toolchain.py"
  ],
  "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": []
}