input = TupleFactory.getInstance().newTuple(inputStr);
expected = inputStrCamel;
output = strFunc.exec(input);
assertTrue(output.equals(expected));
strFunc = new UCFIRST();
input = TupleFactory.getInstance().newTuple(inputStrCamel);
expected = inputStr;
output = strFunc.exec(input);
assertTrue(output.equals(expected));