code: def testLin2Db(self):
      self.assertAlmostEqualVector(
          UnaryOperator(type="lin2db")(self.testInput),
          [
              0.0,
              3.01029992,
              4.77121258,
              6.02059984,
              5.3147893,
              -100.0,
              50.00147629,
          ],
      )
  
imports: from essentia_test import *
label_desc: Use image node_id 10 for calling the TestUnaryOperator obj's underlying member method code with example usage: obj.testLin2Db() without return types