[clangd] Qualify uses of ::testing everywhere. NFC

Add an initial '::' qualifier to all usages of 'testing' namespace that
did not have one.

The goal is to make our code style in tests more consistent.

llvm-svn: 360026
15 files changed
tree: 2295d8dac2c747fb752099877b8b8168f998da7d
  1. clang/
  2. clang-tools-extra/
  3. compiler-rt/
  4. debuginfo-tests/
  5. libclc/
  6. libcxx/
  7. libcxxabi/
  8. libunwind/
  9. lld/
  10. lldb/
  11. llgo/
  12. llvm/
  13. openmp/
  14. parallel-libs/
  15. polly/
  16. pstl/
  17. .arcconfig
  18. .clang-format
  19. .clang-tidy
  20. .gitignore
  21. README.md
README.md

The LLVM Compiler Infrastructure

This directory and its subdirectories contain source code for LLVM, a toolkit for the construction of highly optimized compilers, optimizers, and runtime environments.