code: def testLog10LowX(self):
      self.assertAlmostEqualVector(
          UnaryOperator(type="log10")(self.testInputLowX),
          [-30.0, -30.0, -30.0, -30.0],
      )
  
imports: from essentia_test import *
label_desc: Use image node_id 5 for calling the TestUnaryOperator obj's underlying member method code with example usage: obj.testLog10LowX() without return types