public void FindQuarterMajorityTest(int[] testArray, int expected)
        {
            try
            {
                // Act
                int result = Facebook.FindQuarterMajority(testArray);

                // Assert
                if (expected > int.MinValue)
                {
                    Assert.AreEqual(expected, result);
                }
                else
                {
                    Assert.Fail();
                }
            }
            catch (ArgumentException e)
            {
                // Assert Exception
                if (expected == int.MinValue)
                {
                    Assert.AreEqual("Quarter Majority does not exist.", e.Message);
                }
                else
                {
                    Assert.Fail();
                }
            }
        }