llvm/clang-tools-extra/clangd/test/log.test

# RUN: env CLANGD_FLAGS=-compile-commands-dir=no-such-dir not clangd -lit-test </dev/null 2>&1 >/dev/null | FileCheck %s
CHECK: I[{{.*}}]{{.*}} clangd version {{.*}}
CHECK: Working directory: {{.*}}
CHECK: argv[0]: clangd
CHECK: argv[1]: -lit-test
CHECK: CLANGD_FLAGS: -compile-commands-dir=no-such-dir
CHECK: E[{{.*}}] Path specified by --compile-commands-dir does not exist.
CHECK: Starting LSP over stdin/stdout