public void TestFreezeText_DoesNothingWhenAlreadyFrozen()
        {
            // ReSharper disable once RedundantAssignment
            int isFrozenTrue = Convert.ToInt32(true);

            _vsStatusbarMock.Setup(sb => sb.IsFrozen(out isFrozenTrue)).Returns(VSConstants.S_OK);

            _objectUnderTest.FreezeText(StatusbarMessage);

            _vsStatusbarMock.Verify(sb => sb.SetText(It.IsAny <string>()), Times.Never);
            _vsStatusbarMock.Verify(sb => sb.FreezeOutput(It.IsAny <int>()), Times.Never);
        }