Firebase Class: TestClass rules.TestClass class static this is a test class description. Constructor TestClass new TestClass() This is a test class. Do not look. Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 3.0 License, and code samples are licensed under the Apache 2.0 License. For details, see our Site Policies. Java is a registered trademark of Oracle and/or its affiliates. Last updated May 2, 2018.