Tests: Move some utility classes to their own files.

Props Frank Klein.
Fixes #37523.


git-svn-id: https://develop.svn.wordpress.org/trunk@38285 602fd350-edb4-49c9-b593-d223f7449a82

tests/phpunit/includes/class-basic-object.php

@@ -0,0 +1,29 @@
+<?php
+
+class Basic_Object {
+	private $foo = 'bar';
+
+	public function __get( $name ) {
+		return $this->$name;
+	}
+
+	public function __set( $name, $value ) {
+		return $this->$name = $value;
+	}
+
+	public function __isset( $name ) {
+		return isset( $this->$name );
+	}
+
+	public function __unset( $name ) {
+		unset( $this->$name );
+	}
+
+	public function __call( $name, $arguments ) {
+		return call_user_func_array( array( $this, $name ), $arguments );
+	}
+
+	private function callMe() {
+		return 'maybe';
+	}
+}