message: Disable tests in flatbuffers
diff: # -*- mode:cmake -*-
  cmake_minimum_required(VERSION 3.0)
  +set(FLATBUFFERS_BUILD_TESTS OFF CACHE BOOL "Skip flatbuffers' tests")
  add_subdirectory(third_party/flatbuffers EXCLUDE_FROM_ALL)
  add_subdirectory(third_party/antlr4/runtime/Cpp EXCLUDE_FROM_ALL)
  add_subdirectory(third_party/UHDM)
  add_subdirectory(third_party/googletest)
  -set(FLATBUFFERS_BUILD_TESTS OFF)
  find_package(SWIG REQUIRED)
  # Detect build type, fallback to release and throw a warning if use didn't
  