code: def test_align_asfreq_method_raises(self):
      df = DataFrame({"A": [1, np.nan, 2]})
      msg = "Invalid fill method"
      msg2 = "The 'method', 'limit', and 'fill_axis' keywords"
      with pytest.raises(ValueError, match=msg):
          with tm.assert_produces_warning(FutureWarning, match=msg2):
              df.align(df.iloc[::-1], method="asfreq")
  
imports: from datetime import timezone
  import numpy
  import pytest
  import pandas
  from pandas import DataFrame, Index, Series, date_range
  import pandas._testing
label_desc: Use image node_id 1 for calling the TestDataFrameAlign obj's underlying member method code with example usage: obj.test_align_asfreq_method_raises() without return types