public void MostRepeatedNumberArray_Success()
{
int[][] list = new int[][] { new int[] { 1, 4 }, new int[] { 4, 5, 5 } };
var expected = new int[] { 4, 5 };
var result = RecurringNumbers.GetRecurringNumbers(list);
CollectionAssert.AreEqual(expected, result);
}
public void MostRepeatedNumberArray_ArgumentNullException()
{
int[][] list = null;
Assert.ThrowsException <ArgumentNullException>(() => RecurringNumbers.GetRecurringNumbers(list));
}
