Even with increasing use of formal methods for software development, software testing continues to be a dominant technique for verification and validation. With specification-based testing, the precision of formal specifications can make the testing more systematic. This paper describes a tool to assist the derivation of test cases from Object-Z specifications. The tool supports the Test Template Framework and manages the testing information for the user. Management of the generated testing information is regarded as a high priority and is one of the tool's features. The tool is demonstrated on a simple example to indicate its core functionality.