add basic filetree tests
add basic filetree tests

SandstoneHPC/sandstone-ide,ResearchComputing/OIDE,ResearchComputing/OIDE,SandstoneHPC/OIDE,SandstoneHPC/OIDE,ResearchComputing/OIDE,SandstoneHPC/sandstone-ide,ResearchComputing/OIDE,SandstoneHPC/OIDE,SandstoneHPC/sandstone-ide