code: def testFireTraceElementHasError(self):
      el = trace.FireTraceElement()
      self.assertFalse(el.HasError())
  
      el = trace.FireTraceElement(error=ValueError("example error"))
      self.assertTrue(el.HasError())
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from fire import testutils
  from fire import trace
label_desc: Use image node_id 1 for calling the FireTraceElementTest obj's underlying member method code with example usage: obj.testFireTraceElementHasError() without return types