class_docstr: Base class for end-to-end testing of TFX templates.
docstr: Update given file by uncommenting the `expression`.
docstr_tok: ["Update","given","file","by","uncommenting","the","`","expression","`","."]
code: def _uncomment(
      self, filepath: str, expressions: Iterable[str]
  ) -> str:
      """Update given file by uncommenting the `expression`."""
      replacements = [("# " + s, s) for s in expressions]
      return self._replaceFileContent(filepath, replacements)
  
imports: import os
  import re
  from typing import List, Iterable, Tuple
  from tfx.tools.cli.e2e import test_utils
  from tfx.utils import io_utils
  from tfx.utils import test_case_utils
label_desc: Use image node_id 4 for calling the BaseEndToEndTest obj's underlying member method code with example usage: obj._uncomment(filepath, expressions) and returns: self