✅ Some more work on unit tests.

Some small improvements for coverage report.
Add more functions from include/text.php
Update composer dev libraries for phpunit.

tests/unit/Access/AccessListTest.php

@@ -121,7 +121,9 @@ class AccessListTest extends UnitTestCase {
 
 	/**
 	 * set_from_array() calls some other functions, too which are not yet unit tested.
-	 * @uses ::perms2str()
+	 * @uses ::perms2str
+	 * @uses ::sanitise_acl
+	 * @uses ::notags
 	 */
 	public function testSetFromArray() {
 		// array