Build/Test Tools, Formatting group:

- Add and update @covers tags.
- Add and improve docs and inline comments.

Props pbeane, hellofromTonya, antonvlasenko, ironprogrammer, SergeyBiryukov, costdev.
See #39265.

git-svn-id: https://develop.svn.wordpress.org/trunk@53562 602fd350-edb4-49c9-b593-d223f7449a82

tests/phpunit/tests/formatting/humanTimeDiff.php

@@ -3,6 +3,8 @@
 /**
  * @group formatting
  * @ticket 38773
+ *
+ * @covers ::human_time_diff
  */
 class Tests_Formatting_HumanTimeDiff extends WP_UnitTestCase {