TestMonitor allows you to batch-edit test suites.
In the test suites overview, move your cursor over a Test Suite and tick the checkbox on the left. Select additional Test Suites or select them all by ticking the checkbox in the table header.
Next, click on the green multi-select button in the toolbar and select a batch action.
The batch-edit function for test suites offers the following actions:
Choose Delete and you can delete all the selected test suites from your project.