How to reproduce:
1. Open Unity
2. Load tester-submitted project(PersistentDataPathTest.zip)
3. Open 'Test.unity' scene
4. Play the scene and observe Application.PersistentDataPath directory
5. Build the scene
6. Run the application and observe Application.PersistentDataPath directory

Expected result: Both in Unity Editor and Player Application.PersistentDataPath directory is the same
Actual result: Unity Editor Application.PersistentDataPath directory differs from the one returned in Player

Reproducible with - 2018.1.0a2, 2018.1.0b2
Not reproducible with - 5.6.5f1, 2017.1.3f1, 2017.2.1p2, 2017.3.0p2, 2018.1.0a1

Fixed and verified in 2018.2.0a1