Steps:
1. Open "Edit configuration" dialog;
2. Set Specify test to run;
3. Select "Indirectly by a list in a file" mode;
4. Load empty file;
5. Push "Done" button.
No warning appears, all tests are available to execute, which sense non-reasonable. It is supposed that JT will notify user about empty tests2run file and filter out all tests
1. Open "Edit configuration" dialog;
2. Set Specify test to run;
3. Select "Indirectly by a list in a file" mode;
4. Load empty file;
5. Push "Done" button.
No warning appears, all tests are available to execute, which sense non-reasonable. It is supposed that JT will notify user about empty tests2run file and filter out all tests