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A graphical tool supporting the Classification Tree Method. Details can be found here.
A method to transform a functional problem specification into a minimal and sufficient set of test case specifications. Details can be found here.
The Classification Tree Method visualizes testing ideas. This is very useful for test reviews and certifications.
Since TESSY V3.0, the CTE is a perspective in TESSY. Test case specifications and test data can be defined in the CTE perspective and exported to the Test Data perspective of TESSY. After the tests were run, the test verdicts are exported to the CTE perspective.