public void getProposition_does_it_return_IProposition()
        {
            //Arrange
            var processObject = new ProcessLogicClass(">(a,b)");

            //Act
            var returnType = processObject.getProposition();

            //Assert
            Assert.IsInstanceOfType(returnType, typeof(IProposition));
        }
        public void getProposition_not_null()
        {
            //Arrange
            var processObject = new ProcessLogicClass(">(a,b)");

            //Act
            var returnType = processObject.getProposition();

            //Assert
            Assert.IsNotNull(returnType);
        }