Add tests for ::cwd().

Author: costdev

tests/phpunit/tests/filesystem/wpFilesystemDirect/cwd.php

@@ -0,0 +1,27 @@
+<?php
+/**
+ * Tests for the WP_Filesystem_Direct::cwd() method.
+ *
+ * @package WordPress
+ */
+
+/**
+ * @group admin
+ * @group filesystem
+ * @group filesystem-direct
+ *
+ * @covers WP_Filesystem_Direct::cwd
+ */
+class Tests_Filesystem_WpFilesystemDirect_Cwd extends WP_Filesystem_Direct_UnitTestCase {
+
+	/**
+	 * Tests that `WP_Filesystem_Direct::cwd()` returns the current
+	 * working directory.
+	 *
+	 * @ticket 57774
+	 */
+	public function test_should_get_current_working_directory() {
+		$this->assertSame( wp_normalize_path( dirname( ABSPATH ) ), wp_normalize_path( self::$filesystem->cwd() ) );
+	}
+
+}