Change assert_produces_warning behavior to check for all warnings b…

…y default

pandas/_testing/_warnings.py

@@ -33,7 +33,7 @@ def assert_produces_warning(
  check_stacklevel: bool = True,
  raise_on_extra_warnings: bool = True,
  match: str | tuple[str | None, ...] | None = None,
- must_find_all_warnings: bool = False,
+ must_find_all_warnings: bool = True,
 ) -> Generator[list[warnings.WarningMessage], None, None]:
  """
  Context manager for running code expected to either raise a specific warning,
@@ -74,7 +74,7 @@ class for all warnings. To raise multiple types of exceptions,
  `expected_warning`. If additionally `must_find_all_warnings` is
  True, each expected warning's message gets matched with a respective
  match. Otherwise, multiple values get treated as an alternative.
- must_find_all_warnings : bool, default False
+ must_find_all_warnings : bool, default True
  If True and `expected_warning` is a tuple, each expected warning
  type must get encountered. Otherwise, even one expected warning
  results in success.