Merge pull request #495 from adierking/test-all-the-things

tests: port dispatch_io and dispatch_io_pipe_close to Windows

Author: ktopley-apple

tests/CMakeLists.txt

@@ -146,11 +146,8 @@ if(EXTENDED_TEST_SUITE)
  pingpong
  drift
  readsync
- cascade)
- if(NOT WIN32)
- # Not ported to Windows yet
- list(APPEND DISPATCH_C_TESTS io)
- endif()
+ cascade
+ io)
  # an oddball; dispatch_priority.c compiled with -DUSE_SET_TARGET_QUEUE=1
  add_unit_test(dispatch_priority2 SOURCES dispatch_priority.c)
  target_compile_options(dispatch_priority2 PRIVATE -DUSE_SET_TARGET_QUEUE=1)