public void TestClearBody()
        {
            NmsTextMessage nmsTextMessage = factory.CreateTextMessage();

            nmsTextMessage.Text = "string";
            nmsTextMessage.ClearBody();
            Assert.False(nmsTextMessage.IsReadOnly);
            Assert.IsNull(nmsTextMessage.Text);
            try
            {
                nmsTextMessage.Text = "String";
                var text = nmsTextMessage.Text;
            }
            catch (MessageNotWriteableException)
            {
                Assert.Fail("Should be writable");
            }
            catch (MessageNotReadableException)
            {
                Assert.Fail("should be readable");
            }
        }