When a large number of tests performed sequentially by Q7, then after 400-500 tests Q7 slowly executes tests.
And tests, execution which usually takes 1-2 minutes, is executed more than 5 minutes.
For example, the such tests in Vozone:
VZ-1346_VZ-1389_Import multiple devices from MRSPEC xml&Create a folder structure for usages
Link helper for definitions in subfolders (collapsed folders)