«Testing» allows you to test your classifier with a text input. On the left side, you have a free text input field. The probability with which this text is assigned to a certain category will appear on the right hand side:
Here's an example:
Please note: If an input text was used while training the classifier, the results here and the results from the validation (Confusion Matrix) can deviate in the report section.
The sample isn’t part of the training of its own validation. However, the current classifier was trained on all available samples at the time of training.