Test for moving files

[sungshik]

This PR:

• adds a test to validate if file moves are properly reported;
• fixes an issue in JDKFileWatch (which coincidentally came to light because of the new test, but isn't directly related to file moves) that caused events for foo/bar/baz.txt to be reported as events for foo/bar and baz.txt as root path and relative path, instead of foo/bar/baz.txt and (empty).

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 80.6%. Comparing base (0acdfcb) to head (c4809f2).
Report is 5 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main     #42     +/-   ##
=========================================
- Coverage     80.7%   80.6%   -0.1%     
  Complexity     135     135             
=========================================
  Files           16      16             
  Lines          570     568      -2     
  Branches        66      66             
=========================================
- Hits           460     458      -2     
  Misses          69      69             
  Partials        41      41             

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[DavyLandman]

this makes the OS test a lot slower again.

In a different PR we should try and remove all the sleeps and replace them by accurate awaits. as the sleeps get very long, especially with a high delayFactor.

[sungshik]

Yes, I agree, made an issue.

[DavyLandman]

LGTM.