code: def test_params(self, node, expected):
      assert isinstance(node.get_params(), list)
      assert all(isinstance(x, tree.Param) for x in node.get_params())
      assert [str(x.name.value) for x in node.get_params()] == [
          x for x in expected["params"]
      ]
  
imports: from textwrap import dedent
  import pytest
  from parso import parse
  from parso.python import tree
label_desc: Use image node_id 4 for calling the TestsFunctionAndLambdaParsing obj's underlying member method code with example usage: obj.test_params(node, expected) without return types