Add test for each whitelisted URI protocol in wp_allowed_protocols().

Move test from [25301] to the new file.

Fixes #38198.

git-svn-id: https://develop.svn.wordpress.org/trunk@38685 602fd350-edb4-49c9-b593-d223f7449a82

tests/phpunit/tests/functions.php

@@ -501,13 +501,6 @@ class Tests_Functions extends WP_UnitTestCase {
 		);
 	}
 
-	/**
-	 * @ticket 19354
-	 */
-	function test_data_is_not_an_allowed_protocol() {
-		$this->assertNotContains( 'data', wp_allowed_protocols() );
-	}
-
 	/**
 	 * @ticket 9064
 	 */