Running Automation Test for Directory Watcher Causes the Editor to Crash

Running an automation test for Directory Watcher for Plugins causes the editor to crash on the Simple Modify step.

Occurs only in 4.10 Preview 3.

Regression: This does not occur in 4.9.2, but occurs in 4.10 Preview 3.

1. Open the editor
2. Go to Window->Developer Tools->Session Frontend
3. Select the Automation tab
4. In the Search bar, search for Directory Watcher
5. Click the checkbox next to Directory Watcher
6. Click Start Tests

Result: Editor crashes on Simple Modify step.

Expected: Test would complete successfully.