String script = readFile("Script1.txt");
ConditionExpression expectedExpression = new ConditionExpression(ConditionExpression.AND_OPERATOR);
Condition expectedCondition = new Condition("greaterOrEqualThan");
expectedCondition.addParam("variable");
expectedCondition.addParam("o\\náéö great! \"\n áéíóúñÑ @|#~!·$%&/()=?¿");
expectedExpression.getConditions().add(expectedCondition);
ExpressionParser parser = new ExpressionParser(script);
ConditionExpression actualExpression = parser.parse();