PASS didReceiveFirstContentfulPaint is true
PASS performance.getEntries().length is 1
PASS performance.getEntriesByName("first-contentful-paint").length is 1
PASS performance.getEntriesByName("first-contentful-paint", "paint").length is 1
PASS performance.getEntriesByType("paint").length is 1
PASS PerformanceObserver first-contentful-paint callback wasn't fired again 
PASS successfullyParsed is true

TEST COMPLETE
TEXT2