Build/Test tools: In Travis, skip some tests when not on trunk.

This skips time sensitive tests (copyright year and PHP/MySQL version requirements) when tests are run on branches on Travis.

Props netweb, jorbin
Fixes #39486


git-svn-id: https://develop.svn.wordpress.org/trunk@40239 602fd350-edb4-49c9-b593-d223f7449a82

tests/phpunit/tests/basic.php

@@ -8,6 +8,9 @@
 class Tests_Basic extends WP_UnitTestCase {
 
 	function test_license() {
+		// This test is designed to only run on trunk/master
+		$this->skipOnAutomatedBranches();
+
 		$license = file_get_contents( ABSPATH . 'license.txt' );
 		preg_match( '#Copyright 2011-(\d+) by the contributors#', $license, $matches );
 		$this_year = date( 'Y' );