public void ReplaceWords_StrDictIsNotNull_ReturnsTrue()
{
string testStr = "This is a test";
var testDict = new Dictionary <string, string>()
{
{ "test", "hest" }
};
var sm = new StringManipulator();
var result = sm.ReplaceWords(testStr, testDict);
Assert.IsNotNull(result);
}
