Test that responses with HTTP status code 204 are cacheable On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". running 3 tests --------Testing loads from disk cache-------- response headers: {"Status":"204","Cache-control":"max-age=0"} response source: Network response headers: {"Status":"204","Cache-control":"max-age=100"} response source: Disk cache response headers: {"Status":"204","Last-Modified":"now(-1000)"} response source: Disk cache --------Testing loads through memory cache (XHR behavior)-------- response headers: {"Status":"204","Cache-control":"max-age=0"} response source: Network response headers: {"Status":"204","Cache-control":"max-age=100"} response source: Memory cache response headers: {"Status":"204","Last-Modified":"now(-1000)"} response source: Memory cache --------Testing loads through memory cache (subresource behavior)-------- response headers: {"Status":"204","Cache-control":"max-age=0"} response source: Network response headers: {"Status":"204","Cache-control":"max-age=100"} response source: Memory cache response headers: {"Status":"204","Last-Modified":"now(-1000)"} response source: Memory cache PASS successfullyParsed is true TEST COMPLETE