code: def test_formfeed(each_version):
      s = "foo\n\x0c\nfoo\n"
      t = _parse(s, each_version)
      assert t.children[0].children[0].type == "name"
      assert t.children[1].children[0].type == "name"
      s = "1\n\x0c\x0c\n2\n"
      t = _parse(s, each_version)
  
      with pytest.raises(ParserSyntaxError):
          s = "\n\x0c2\n"
          _parse(s, each_version)
  
imports: from textwrap import dedent
  import pytest
  from parso import load_grammar
  from parso import ParserSyntaxError
  from parso.pgen2 import generate_grammar
  from parso.python import tokenize
label_desc: Use image node_id 3 for calling a global function with example usage: test_formfeed(each_version) without return types