public void LetsCheck_String_is_Palindrom()
{
// arrange
var instance = new CheckString();
//act metoda musi zwracac wartosc
var result1 = instance.letsCheck("Able was I ere I saw Elba");
var result2 = instance.letsCheck(" ");
var result3 = instance.letsCheck("");
var result4 = instance.letsCheck("Ala ma kota");
// assert
Assert.AreEqual(true, result1);
Assert.AreEqual(false, result2);
Assert.AreEqual(false, result3);
Assert.AreEqual(false, result4);
}