public void RemoveEndingComa_EmptyStringBuilder_EmptyStringBuilder()
        {
            //Arrange
            StringBuilder sb = new StringBuilder();

            //Act
            GetMailsHelper.RemoveEndingComa(sb);
            //Assert
            Assert.AreEqual(0, sb.Length);
        }
        public void RemoveEndingComa_NotEmptyStringBuilder_EmptyStringBuilderWithoutLastTwoSymbols()
        {
            //Arrange
            StringBuilder sb = new StringBuilder();

            sb.Append("asdasd, ");
            //Act
            GetMailsHelper.RemoveEndingComa(sb);
            //Assert
            Assert.AreEqual(6, sb.Length);
            Assert.AreEqual("asdasd", sb.ToString());
        }