pitest fails to generate Tests Mutations when Test-Classes dir Contains a Space Character

[dangerground]

Steps to reproduce:

• Create a Project Folder with a Space Character
• use any project with existing tests
• execute pitest inside the project folder

Result:

[2020-10-28T15:06:38.326Z] 3:06:37 PM PIT >> INFO : Sending 0 test classes to minion
[2020-10-28T15:06:38.326Z] 3:06:37 PM PIT >> INFO : Sent tests to minion
[2020-10-28T15:06:38.326Z] 3:06:37 PM PIT >> INFO : MINION : 3:06:37 PM PIT >> FINE : Expecting 0 tests classes from parent
[2020-10-28T15:06:38.326Z] 3:06:37 PM PIT >> FINE : Tests classes received
[2020-10-28T15:06:38.326Z] 3:06:37 PM PIT >> INFO : MINION : 3:06:37 PM PIT >> INFO : Checking environment
[2020-10-28T15:06:38.326Z] 3:06:37 PM PIT >> INFO : MINION : 3:06:37 PM PIT >> INFO : Found  0 tests
[2020-10-28T15:06:38.326Z] 3:06:37 PM PIT >> INFO : MINION : 3:06:37 PM PIT >> INFO : Dependency analysis reduced number of potential tests by 0
[2020-10-28T15:06:38.326Z] 3:06:37 PM PIT >> INFO : 0 tests received
[2020-10-28T15:06:38.326Z] 3:06:38 PM PIT >> INFO : MINION : 3:06:38 PM PIT >> FINE : Running 0 units

Expected:

16:04:47 PIT >> FINE : MINION : Installing PIT agent
16:04:47 PIT >> INFO : Sending 35 test classes to minion
16:04:47 PIT >> INFO : Sent tests to minion
16:04:47 PIT >> INFO : MINION : 16:04:47 PIT >> FINE : Expecting 35 tests classes from parent
16:04:47 PIT >> FINE : Tests classes received
16:04:47 PIT >> INFO : Checking environment
16:04:47 PIT >> INFO : MINION : 16:04:47 PIT >> INFO : Found  7 tests
16:04:47 PIT >> INFO : MINION : 16:04:47 PIT >> INFO : Dependency analysis reduced number of potential tests by 0
16:04:47 PIT >> INFO : 7 tests received
16:04:47 PIT >> INFO : MINION : 16:04:47 PIT >> FINE : Running 7 units