code: def testRootFolder(self):
      self.assertEqual(workspace.ResetWorkspace(), True)
      self.assertEqual(workspace.RootFolder(), ".")
      self.assertEqual(
          workspace.ResetWorkspace("/tmp/caffe-workspace-test"), True
      )
      self.assertEqual(
          workspace.RootFolder(), "/tmp/caffe-workspace-test"
      )
  
imports: import unittest
  from caffe2.python import workspace
label_desc: Use image node_id 1 for calling the TestWorkspace obj's underlying member method code with example usage: obj.testRootFolder() without return types