Move PHPUnit tests into a tests/phpunit directory.

wp-tests-config.php can/should reside in the root of a develop checkout. `phpunit` should be run from the root.

see #25088.


git-svn-id: https://develop.svn.wordpress.org/trunk@25165 602fd350-edb4-49c9-b593-d223f7449a82

tests/phpunit/tests/formatting/SanitizeTitle.php

@@ -0,0 +1,18 @@
+<?php
+
+/**
+ * @group formatting
+ */
+class Tests_Formatting_SanitizeTitle extends WP_UnitTestCase {
+	function test_strips_html() {
+		$input = "Captain <strong>Awesome</strong>";
+		$expected = "captain-awesome";
+		$this->assertEquals($expected, sanitize_title($input));
+	}
+
+	function test_titles_sanitized_to_nothing_are_replaced_with_optional_fallback() {
+		$input = "<strong></strong>";
+		$fallback = "Captain Awesome";
+		$this->assertEquals($fallback, sanitize_title($input, $fallback));
+	}
+}