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<b>Warning</b>:  session_start(): Failed to read session data: files (path: /var/lib/php/sessions) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
static TestResults testTrainableFunction(O function, L trainingParams, L testParams, O... _) {
  new TestResults results;
  O trained = callF(function, trainingParams);
  if (boolPar(_, 'printTrainedStruct))
    printStruct(trained);
  for (O key, O value : paramsToMap(testParams)) {
    try {
      O out = callF(trained, key);
      results.add(testResult_eq(out, value));
    } catch e {
      results.add(testResult_error(e));
    }
  }
  ret results;
}