@Override
  @NotNull
  protected String buildErrorString(Object... infos) {
    if (infos.length == 0) {
      return JUnitBundle.message("fix.data.provider.multiple.methods.problem");
    }
    return infos.length > 1
           ? JUnitBundle.message("fix.data.provider.signature.incorrect.problem")
           : JUnitBundle.message("fix.data.provider.signature.missing.method.problem");
  }
@Override
  @NotNull
  protected String buildErrorString(Object... infos)