Good to have Test Suite Drop Down, where user can select a Test Suite then Respective Test Suite Test cases will gets display in "Select Test Case" list. If user has around 400 or 500 Test cases then its dificust to select a test cases to add any new request to the test test case.
Here you can review submitted feature requests and vote up the ones you like! If you can't find the feature you want - go ahead and suggest your own idea. Ideas with the highest rating can be implemented in the product.